Question

A great number of students ______ said they were forced to practise the piano.

1. A.
   to question
2. B.
   to be questioned
3. C.
   questioned
4. D.
   questioning

Answer 1

C
考查分词做定语。Students与question构成被动关系，表示被询问的学生。B项不定式表示将来。而本句表示的是已经被询问。句意：很多被询问的学生都说他们是被迫去练钢琴的。故C正确。