— Hello may I speak to Mr. Wu? — I’m afraid he is not in nowI take a message?A. Should

问题补充：

— Hello, may I speak to Mr. Wu?

— I’m afraid he is not in now. I take a message?

A. Should

B. Can

C. Will

D. Shall

答案：

A. Should

B. Can

C. Will

(答案→)D. Shall

解析：“shall”用于第二人称时，表示“征求对方的意见”。句意：——你好，能让吴先生听电话吗? ——恐怕他现在不在这儿。我能捎个口信吗?