-- Could you do me a favor to carry the luggage?-- .A. Yes I couldB. It’s my pleasureC. W

问题补充：

-- Could you do me a favor to carry the luggage?

-- .

A. Yes, I could

B. It’s my pleasure

C. With pleasure

D. Great

答案：

A. Yes, I could

B. It’s my pleasure

(答案→)C. With pleasure

D. Great

解析：情景交际。 A.是的，我能 B.这是我的荣幸 C. 我很愿意 D. 好的。句意：你能帮我一把携带行李吗？结合语境可知选C为最佳答案。