The old gentleman never fails to help ______ is in need of his h

The old gentleman never fails to help ______ is in need of his help.
A、whom
B、who
C、whoever
D、whomever
【正确答案】：C
【题目解析】：宾语从句的引导词。根据句意，帮助对象不确定，因此从C和D进行选择。此处的引导词既是help的宾语，又是从句的主语，但强调的是后一种身份，用主格。如：I’ll take whoever wants to go．谁愿意去我都带。[译文]这位老绅士从不拒绝那些需要他帮助的人。