The organizers promised won the first prize would have a chance to go abroad.A. whoB. who

问题补充：

The organizers promised won the first prize would have a chance to go abroad.

A. who

B. whom

C. whomever

D. whoever

答案：

A. who

B. whom

C. whomever

(答案→)D. whoever

解析： 句意：组织者许诺凡是获得一等奖的人将有机会出国。Promise后面是宾语从句，宾语从句中whoever引导的是主语从句， 相当于anyone who，whomever可以引导主语从句但是它在主语从句中做宾语，who，whom引导主语从句的时候，意思是“谁”，所以选D。