--- Hi, Sunny, your new flat is so nice!
--- Thanks, .
A. my pleasure
B. don’t mention it
C. help yourself
D. make yourself at home
网友回答
A. my pleasure
B. don’t mention it
C. help yourself
(答案→)D. make yourself at home
解析：考查交际用语。my pleasure 不用谢，don’t mention it 别提了，help yourself 请随便，make oneself at home，像呆在自己家里一样，句意：你好，Sunny，你的新房子是如此的漂亮！谢谢你就像呆在自己吧。所以选D。