____ is the purpose of your visit I\'m here on vacation .A .Why B.Which C.How D.What怎样选择?

____ is the purpose of your visit I\'m here on vacation .A .Why B.Which C.How D.What怎样选择?
____ is the purpose of your visit I\'m here on vacation .A .Why B.Which C.How D.What
怎样选择?

____ is the purpose of your visit I\'m here on vacation .A .Why B.Which C.How D.What怎样选择?
D what
what is the purpose of.表示“...的目的”
其他 why 为什么,which 哪一个,how如何,都不符合题意

D 你来这儿的目的是什么? 我是来度假的。