He felt curious that he asked many questions about it.A. such suchB. so soC. such so

问题补充：

He felt curious that he asked many questions about it.

A. such , such

B. so , so

C. such , so

D. so , such

答案：

A. such , such

(答案→)B. so , so

C. such , so

D. so , such

解析：such形容词，这样的，如此的；so副词，如此，这样。句意：他感到如此紧张，以至于他问了如此多关于它的问题。结合语境可知上下文都是副词修饰形容词，故选B。