comes first will get the prize.A. WhoB. WhoeverC. WhomD. Whomever

问题补充：

comes first will get the prize.

A. Who

B. Whoever

C. Whom

D. Whomever

答案：

A. Who

(答案→)B. Whoever

C. Whom

D. Whomever

解析：考查名词性从句。Whoever无论谁，引导主语从句，在从句中作主语，故选B.