His letter was so confusing that I could hardly make any of it.A. explanationB. meaningC.

问题补充：

His letter was so confusing that I could hardly make any of it.

A. explanation

B. meaning

C. sense

D. guess

答案：

A. explanation

B. meaning

(答案→)C. sense

D. guess

解析：

这题考查固定短语：make sense of“理解”，句意是：他的信让人困惑，我几乎不能理解。选C。