单选题 The professor in the end decided to give the prize to ______he believed had a good command of English.
【正确答案】 C
【答案解析】解析：考查名词性从句，故可直接排除B项，而所填词在从句中作主语，故排除D项。此处强调的是“他相信的任何一个人”，故应选择C项。whoever=anyone who，任何人。