20.I'm really shy and I just don't enjoy the party ,_A__I don't know anyone there .

问题描述:

20.I'm really shy and I just don't enjoy the party ,_A__I don't know anyone there .
A.What if B.how C.what's wrong D.why

What if 是要是/如果.,怎么办?的意思.
我很害羞,也不喜欢参加派对,要是我在那里一个人都不认识可怎么好?