Although I tried my best to convince them _____the importance and urgency of the operation, the doctors were not convinced _______ it immediately.
A.with; to perform
B.of; doing
C.on; to do
D.of; to perform
网友回答
D解析这题考查convince的用法：第一空考查convince sb of sth“使某人相信”，第二空考查convince sb to do“说服某人做”选D。