--- Do you know Anna’s telephone number?
--- . As a matter of fact, I don’t know any Anna, either.
A. I think so
B. I hope so
C. I’d rather not
D. I am afraid not
网友回答
A. I think so
B. I hope so
C. I’d rather not
(答案→)D. I am afraid not
解析：考查交际用语：A.I think so我想是这样的。B.I hope so我希望如此C.I’d rather not我宁可不，D.I am afraid not恐怕不会，句意：--你知道安娜的电话号码吗？--恐怕不知道。事实上，我也不知道什么安娜。选D。