请教：大全第58题

intelligrace

Adult survivors of child abuse traditionally have had little or no chance that they could get their symptoms recognized and treated.
(A) that they could get their symptoms recognized and treated
(B) to recognize and treat their symptoms
(C) of getting their symptoms recognized and treated
(D) of recognizing and treating symptoms
(E) of getting his or her symptoms recognized and treated

答案是c。B为什么不行啊？

谢谢！

intelligrace

thanks ！！

第比利斯

the chance of doing sth.

kissxkiss

TO表目的
题中没这层意思吧