单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the conversation.

Why does a student who runs away from home tends to wrap himself up

A.He is probably feeling homesick.
B.He is properly feeling insecure.
C.He has properly not got used to the weather.
D.He probably doesn’t want to catch a cold.