问题补充：
-----I’m afraid I can’t finish the novel you lent me this week.
----.
A. Please go ahead
B. That’s all right
C. Take your time
D. Not at all
答案：
A. Please go ahead
B. That’s all right
(答案→)C. Take your time
D. Not at all
解析：考查交际用语。Please go ahead去吧，干吧；That’s all right不用谢；Take your time别着急，慢慢来；Not at all没关系。句意：我恐怕这周我看不完你借给我的小说。别着急，慢慢看。所以选C。
