单项选择题

Questions 9 to 10 are based on the following conversation. At the end of the conversation, you will be given 10 seconds to answer the questions.
Now, listen to the conversation.

Which of the following is most appropriate to describe Peter after the camping

A.He is now very sensitive.
B.He is more independent than before.
C.His physical condition improved a Int.
D.He is much more persistent and stronger.