It was creative thinking that I took the course not to get high marks in exams.A. develo

问题补充：

It was creative thinking that I took the course, not to get high marks in exams.

A. developing

B. to develop

C. developed

D. to have developed

答案：

A. developing

(答案→)B. to develop

C. developed

D. to have developed

解析：本题考查非谓语动词。题干为强调句，强调状语to develop creative thinking，选B。