问题补充：
----You can’t finish the book in less than an hour, I suppose?
-----.
A. Yes, I’m sure I can
B. No, hardly
C. Sorry, I can’t
D. I don’t think I can
答案：
(答案→)A. Yes, I’m sure I can
B. No, hardly
C. Sorry, I can’t
D. I don’t think I can
解析：问句为否定疑问句，回答该用Yes或No开头，B项结构不完整，其完整形式应该是：No,I can hardly finish it.
