题目

阅读短文，从A—E五个句子中选择正确选项还原到文中，使短文内容完整正确。 A. How poor the oldpeople are! B. Then he neatlyput the half of the food in front of his wife. C. Then a young ladyasked a question of the little old lady. D. After a while hegot the food back and they began to open it. E. His wife satthere watching him and took turns to drink.    A little old man and his wife walked slowly into McDonald’s on cold winter evening. They took a table near the back wall, and then the little old man walked to the cash register(收银台) to order 1._____地质学家常利用地震波来寻找海底油气矿藏，四幅地震波示意图表示海底储有石油的是（ ）