–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’m afraid not
C. I hope so
D. I’d rather not
网友回答
A. I think so
(答案→)B. I’m afraid not
C. I hope so
D. I’d rather not
解析：句意：--你知道安娜的电话号码吗？--恐怕不知道，实际上，我也不认识安娜。I think so我认为这样；I’m afraid not恐怕不知道；I hope so我希望如此；I’d rather not我宁愿不。根据句意故选B。