—Thanks for your help but can you do me one more favor please?— Sir．What’s it then?A. J

问题补充：

—Thanks for your help, but can you do me one more favor, please?

—, Sir．What’s it then?

A. Just a minute

B. My pleasure

C. That’s right

D. At your service

答案：

A. Just a minute

B. My pleasure

C. That’s right

(答案→)D. At your service

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