阅读理解。（共15小题；每小题2分，满分30分）
请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。
A
Use a knife to cut a small "X" on the top of the tomatoes, blanch them with boiling water, peel them and cut them into small pieces. Crack 4 eggs into a bowl, add a little salt and water. Beat them for a minute.
Pour the oil into the wok. When the oil is heated, pour in the egg mixture, and then keep stirring the mixture until the curd is formed, and then pour it out. Set it aside.
Add a little oil to the wok, and add tomatoes. Add a little water, and stir-fry the tomatoes.
Pour the egg back into the wok, add a little more water and 1/2 teaspoon of salt, 1/2 teaspoon of sugar, and stir them for about 2 minutes.
Delicious stir-fried tomato and scrambled eggs is finished. Wow! Sweet and sour, so delicious!
( ) 11. Which of the following things is NOT needed for making stir-fried tomato and scrambled eggs?
A. Water. B. Beef. C. Eggs. D. Sugar.
( ) 12. After putting the egg back into the wok, how long does it take to stir the dish?
A. 1 minute. B. 2 minutes. C. 5 minutes. D. 10 minutes.
13.