We should learn from those­­ are always ready to help others.A. whoB. whomC. they

问题补充：

We should learn from those­­ are always ready to help others.

A. who

B. whom

C. they

D. that

答案：

(答案→)A. who

B. whom

C. they

D. that

解析：考查从句，从句are always ready to help others缺少主语，所以用who，whom只作宾语，所以选A