I lost my way in complete darkness and it began to rain.A. to make matters worse was that

问题补充：

I lost my way in complete darkness and it began to rain.

A. to make matters worse was that

B. what made matters worse was that

C. making matters worse,

D. made matters worse

答案：

A. to make matters worse was that

(答案→)B. what made matters worse was that

C. making matters worse,

D. made matters worse

解析：考察名词性从句。what made matters worse是主语从句，that it began to rain是表语从句。结合句意可知B正确。句意：在黑暗中我迷路了。让情况更糟糕的是又开始下雨了。