问题补充：
---Hello, May I speak to John?
---, please call back later.
A. Wait a minute
B. I’ll look for him
C. Sorry, he isn’t in
D. I’m busy now
答案：
A. Wait a minute
B. I’ll look for him
(答案→)C. Sorry, he isn’t in
D. I’m busy now
解析：Wait a minute等一下； I’ll look for him我要找他；Sorry, he isn’t in对不起，他不再； I’m busy now我现在正忙。句意：你好，可以找约翰接电话吗？结合下文，请稍后在打电话。可知选C.
情景交际
