---Excuse me Sir could you tell me how to go to the railway station? ---Sorry you’d bet

问题补充：

---Excuse me, Sir, could you tell me how to go to the railway station?

---Sorry, you’d better ask, I’m afraid, is a native.

A. whom

B. who

C. whomever

D. whoever

答案：

A. whom

B. who

C. whomever

(答案→)D. whoever

解析：可联系答.案.网客服索取。