If you want to find some information about a foreign country you can ask your friends ha

问题补充：

If you want to find some information about a foreign country, you can ask your friends have been to that country.

A. whom

B. which

C. who

D. whose

答案：

A. whom

B. which

(答案→)C. who

D. whose

解析：可联系答.案.网客服索取。