Question

初三英语问题

Lily went to the museum and saw many pictures _____ were drawn by a famous person.
A.that
B.who
C.what
D.whom

答案为A，为什么不能选C呢？

Answer 1

A
C
B
C
B
A
A
B
B
C
A
D
D
A
A
C
B