I cannot convince them ____ the factA. that B. on C. at D. of

问题描述:

I cannot convince them ____ the fact
A. that B. on C. at D. of

D

of convince sb of sth 使某人相信某事

convince of
使...相信

of

D
convince ...of.让某人相信.是固定搭配.

that吧,convince that的意思是坚信