The old woman is warm­hearted. She is always ready to help is in trouble.A. no matter

问题补充：

The old woman is warm­hearted. She is always ready to help is in trouble.

A. no matter who

B. whomever

C. whoever

D. anyone

答案：

A. no matter who

B. whomever

(答案→)C. whoever

D. anyone

解析：选C考查宾语从句。句意：这位老妇人很热心，不管是谁遇到麻烦她总是乐于帮忙。分析句子成分可知，空处引导一个宾语从句，且在从句中作主语，因此用whoever。