题目内容：

 ________ that saw the rise of quite a number of famous women writers in China, such as Zhang Ailing, Xiao Hong and so on.

A. During the first half of the 20^th century

B. That it was in the first half of the 20^th century

C. It was in the first half of the 20^th century

D. It was the first half of the 20^th century