Part A You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer--A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE. What does the woman think of the swimming lessons
A．They are too expensive. B．They are very rewarding. C．They are too easy. D．They are given by a strict teacher.