It was a matter of would take the position.A. whoB. whoeverC. whomD. whomever

问题补充：

It was a matter of would take the position.

A. who

B. whoever

C. whom

D. whomever

答案：

(答案→)A. who

B. whoever

C. whom

D. whomever

解析：这是一个含宾语从句的复合句，作介词of宾语的是后面的整个句子，而不是宾语从句的引导词，由于这里引导词在从句中作主语，所以要用主格who(作宾语时自然要用whom)。