He attempted ____ to set up a company of his own.

问题描述:

He attempted ____ to set up a company of his own.
A:with vain
B:on vain
C:in vain
D:of vain
希望同时给出翻译,

C:in vain 徒然,没有结果的
他想成立属于自己的公司可是没有成功