More than 100 students have entered for the competition and gains the most points will be

问题补充：

More than 100 students have entered for the competition and gains the most points will be the winner.

A. anyone

B. the one

C. that

D. whoever

答案：

A. anyone

B. the one

C. that

(答案→)D. whoever

解析：考查主语从句。主句 gains the most points缺少主语，四个选项中只有whoever能引导主从并作主语。