【单选题】

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.
What happened during the past four weeksA．The man has bought a new house.
B．The man’s company has moved to a new building.
C．The man’s family has moved to a new building.
D．Nothing special.