问题补充：
that saw the rise of quite a number of new writers.
A. During the first half of the 18th century
B. That it was in the first half of the 18th century
C. It was in the first half of the 18th century
D. It was the first half of the 18th century
答案：
A. During the first half of the 18th century
B. That it was in the first half of the 18th century
C. It was in the first half of the 18th century
(答案→)D. It was the first half of the 18th century
解析：考查强调句型。强调句型的结构为：it is/was 被强调成分that/who其它成分；本题强调主语the first half of the 18th century；句意：18世纪上半叶见证了很多新作家的崛起。
