阅读理解

　　Here in the Northeast Georgia mountains live an old man and his young grandson．A small sum of money given by the government is their only regular income．Man and boy walk up and down the highway daily collecting soft-drink bottles for resale．I stopped once, and tried to give the man a carton(硬纸盒)of empty bottles．Polite, but firmly, he refused my “charity”．

　　Exercising what I thought was the only reasonable matter．I was driving their part of road, throwing bottles out of the car window, when the flashing blue light of a Georgia(乔治亚州)State patrol(巡逻)car filled my mirror．I took my lecture on litter(在公共场所扔废物)laws, and then told the officer about the man and the boy．We could see the old man from where we were stopped, bending over to pick up a bottle．The officer warned me again, and told me to move on．

　　As we both pulled onto the road, I looked in my mirror just in time to see two bottles sail out of the passenger window of the patrol car and land unbroken on the grass．

　　本文中的老人和他的孙子靠捡拾饮料瓶来维持生计。作者出于同情想把自己的一些空瓶子送给老人，但是遭到了老人的拒绝。