单选题 Another argument with his boss ______ him that he should find a new job.
A. convinced B. fined C. believed D. agreed

【正确答案】 A
【答案解析】[解析] convince sb．of/that...“使信服、使确信”。convince后一定要有被说明的对象作宾语，然后才接that从句或of+sth．。