问题补充：
----You look so pretty in this new dress!
----.
A. No, no. I am not pretty at all.
B. You shouldn’t say that.
C. Thank you for saying so!
D. You are pretty too.
答案：
A. No, no. I am not pretty at all.
B. You shouldn’t say that.
(答案→)C. Thank you for saying so!
D. You are pretty too.
解析：句意：你穿这个新连衣裙看起来很漂亮！谢谢你这么说。Thank you for saying so!表示对别人的表扬时的答语，故选C
