Because of the heavy rain, they had to put off ______the sports

Because of the heavy rain, they had to put off ______the sports meet.
A、taking place
B、to take place
C、holding
D、to hold
【正确答案】：C
【题目解析】：put off后面接doing或名词,因为off是介词 因此排除BD，take place 应以活动为主语，因此答案选C