—— Do you think he will do me a favor? —— As far as I know he is the last one to help oth

问题补充：

—— Do you think he will do me a favor?

—— As far as I know, he is the last one to help others. He＿＿＿＿be prepared to give you a hand, though.

A. might

B. must

C. can

D. should

答案：

(答案→)A. might

B. must

C. can

D. should

解析：根据上下文可知句意为“他不愿意帮助别人，但也许他会帮你的忙”。用“might”，表示“可能性”比较小。