It will be more than 100 years the country begins once again to look as it did before.A.

问题补充：

It will be more than 100 years the country begins once again to look as it did before.

A. when

B. since

C. before

D. that

答案：

A. when

B. since

(答案→)C. before

D. that

解析：考查固定句型：It will be +一段时间+before…“要过….(就/才)做…”,句意是：还要100多年这个国家才会象以前一样。选C。