题目

阅读表达Do you often help the people who are in need?One day, two boys were walking along the road to school when they saw an old woman carrying a large basket of pears. The old woman looked very tired. They went up and said, “ Are you going to town? If you are, we’ll help you carry your basket.”“Thank you,”said the woman. “That’s very kind of you.” Then she told them that she was going to the market to sell the pears. So the boys decided to lift the basket together. They walked slowly with the heavy basket, but they were happy.      The other day, I saw a little girl p1、下面程序框图中，循环体执行的次数是（　　）A、50B、49C、100D、99