Such good use has been his spare time his English has improved a lot.A. made in; thatB. ma

问题补充：

Such good use has been his spare time his English has improved a lot.

A. made in; that

B. made of; which

C. made of; that

D. made out; as

答案：

A. made in; that

B. made of; which

(答案→)C. made of; that

D. made out; as

解析：考查such---that句型及make use of 短语的变化。要分析句子结构，按照句意来做。