One of the things that made me long back in prison was that I had little opportunity thi

问题补充：

One of the things that made me long back in prison was that I had little opportunity thinking and reflection.

A. be

B. being

C. to be

D. to being

答案：

A. be

B. being

(答案→)C. to be

D. to being

解析：首先关注到句中的long，明显不是“长的”的意思。此处long作动词，表示“渴望”，搭配的结构是long for sth.或long to do，此处的to不是介词，而是不定式to，由此可知答案为C