The professor and writer_____________ it possible to integrate w

The professor and writer_____________ it possible to integrate what he teaches with what he writes about.
A、 found
B、 have found
C、 find
D、 finds
【正确答案】：D
【题目解析】：该题考查的是主谓一致。此句的主语是并列间接的名词词组the professor and writer，表示的同一个人，是单数主语，因此用单数谓语。