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 is the man not really surprised that his parents are moving
A.His parents are retiring very soon. B.His parents don’t like living in this city. C.His parents have implicitly indicated their future plans several times. D.His parents have been trying to sell their houses for some time.