阅读下面短文，从短文后给的A、B、C、D四个选项中选出能填入相应空白处的最佳选项。

　　This autumn was the wettest since records began in the UK. Floods  1 large parts of the country. In Australia floods have covered an area the  2 of the whole of the Britain. How does it happen? Cars, factories and power stations  3 carbon dioxide() into the air. This gas 4 the atmosphere and causes the polar ice to  5 . Sea levels across the world  6 . What are we going to do about it? In 1990, leaders of all the big nations met in Japan and agreed to reduce  7 they put into the atmosphere. Ten years  8 , in Nov. 2000, they met again in Holland to assess (评估) the situation and decide what to do next. Maybe the following is one of the ways.

　　The village of Yaluma  9 in the mountains of Chiapas, a province of Southern Mexico.  10 people are Mayan Indians. They are some of the poorest people in a poverty stricken country.  11 now they have an extra source of income. They are being  12 to grow, develop and  13 forests by the organization  14 Formula One racing(一级方程赛车).

　　Every year, the global Formula Once racing pumps 5500 tons of into the atmosphere. The idea is that the forests being planted around Yaluma will absorb this amount. It will also provide local people  15 money while  16 out motor racing's environmental debt.

　　Projects  17 this go under the name of “Carbon trading”. The basic  18 is that governments and companies can buy the  19 to pump into the air by investing (投资) in green  20 that take it out again.

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假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
My hometown is a small village. Small as it is, but it’s very beautiful.
　 There are a number of hill around my hometown and they are very beautiful. In spring, we fly kites are made by themselves on the top of the hills. The kites fly very highly. In summer, the trees and grass are green and the flowers are bright on the hills. Beside, the wild apples are nice to eating. In autumn, corns at the foot of the hills were ripe. In winter, when it snows, something is covered with snow. We play with snow and make snowmen.
In my hometown there are blue sky, fresh air, sweet water and kind people. I love my hometown!

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

    增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

    删除：把多余的词用斜线（＼）划掉。

    修改：在错的词下划一横线，并在该词下面写出修改后的词。

    注意：1. 每处错误及其修改均仅限一词；

          2. 只允许修改10处，多者（从第11处起）不计分。

    My hometown is a small village. Small as it is, but it’s very beautiful.

　 There are a number of hill around my hometown and they are very beautiful. In spring, we fly kites are made by themselves on the top of the hills. The kites fly very highly. In summer, the trees and grass are green and the flowers are bright on the hills. Beside, the wild apples are nice to eating. In autumn, corns at the foot of the hills were ripe. In winter, when it snows, something is covered with snow. We play with snow and make snowmen.

    In my hometown there are blue sky, fresh air, sweet water and kind people. I love my hometown!