题目

阅读理解It is eight o’clock. The children (孩子们) go to school by car every day, they are going to school on foot. It is ten o’clock. Mrs. Sawyer usually (通常)stays at home in the morning, but this morning, she is going to the shops. It is four o’clock in the afternoon, Mrs. Sawyer usually drinks tea in the living room. But this afternoon, she is drinking tea in the garden. It is six o’clock, In the evening, the children usually do their homework, but this evening, they are not doing their homework. At the moment, they are playing in the garden. It is nine o’clock. Mr. Saw下列生物中，可以对外界刺激产生反射活动的是 A.猴子         B.草履虫      C.青蛙          D.向日葵