【正确答案】
C
【答案解析】[解析]
M: Hello. 139-8544.
W: Hello. Is Tom there?
M: No, I'm sorry. Tom is out.
W: Is that you, John?
M: No. I'm not John.
W: Oh! I'm sorry...er .... well, could you please leave Tom a message for me?
M: Sure. What is it?
W: Well, I'm Tom's friend Anna. Would you ask him to call me back this evening?
M: All right.
W: Thank you very much, John.
M: But I'm not John, I'm Jack.
6. Who is Anna calling?
[解析] 事实状况题。根据对话开头女士说Hello．Is Tom there?可知是在给Tom打电话，至于Anna的名字，是在对话后面出现的，这里并不影响答题。