单项选择题

Questions 7 to 10 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.
How does the man know Jim Tomas

A.He’s spoken to him on the phone.
B.He stayed in his apartment one summer.
C.He went on a summer trip with him.
D.He used to work with him.