---Could you please give me a hand with my suitcase?
--- .
A. Never mind.
B. Er, no thanks
C. Come off it
D. Certainly, sir
网友回答
A. Never mind.
B. Er, no thanks
C. Come off it
(答案→)D. Certainly, sir
解析：情景交际。 A.不要紧 B.呃，不用了，谢谢。 C. 别吹牛了 D. 当然了，先生。句意：您能帮我一把帮我一把般我的行李吗？结合语境而可知选D为最佳答案。