Question

She is stubborn in resisting his enquiries about the Moonstone _____ the degree that she makes it seem as if she does not want the mystery ______

1. A.
   on; to solve
2. B.
   with; solving
3. C.
   for; being solved
4. D.
   to; to be solved

Answer 1

D
本题考查介词及非谓语动词。to the degree是 达到……程度 的意思，the mystery与solve之间为被动关系，根据语境迷没被解决，故用不定式，选D。