【单选题】

Questions 1 to 3 are based on the following conversation.At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation.

Why does the man say this: "I understanD、I’m not trying to get in shape. "
A、To show the instructor that he knows the purpose.
B．To show the instructor that he is enthusiastic about getting in shape.
C．To ask the instructor about his swimming technique.
D．To ask the instructor for assistance with his balanc