问题补充：
We’ll learn benefits us no matter which country it comes from.
A. which
B. all
C. whatever
D. anything
答案：
A. which
B. all
(答案→)C. whatever
D. anything
解析：考查宾语从句。本句中的whatever引导的是宾语从句whatever benefits us并在句中做主语。All和anything可以在句中做主语，但是不能引导宾语从句。Which是指特定范围之内的某一个，本句没有范围限制。故C正确。
