【关于英语选择题】有几个选择题不很明白,

题目

【关于英语选择题】有几个选择题不很明白,
1,During th olympic games many people served as volunteers,________were young college students
A,most of them B,most of which C,most of whom D ,most of what
(这句句子是定语从句么?我选B对么?)
2,_____ role she played in the film!No wonder she has won the oscar
A ,how interesting B ,how an interesting C,what an interesting D,what interesting
(我选了C )
3,It is not immediately clear _____ the financial crisis will soon be over
A,since B,what C,when D,whether (我选了A,

答案

1 不是定语从句,选A
2 祈使句我现在也弄不懂
3 金融危机不是不久立即就会结束的