It was 300 hundred years ago this historic temple was built by a wealthy Mandarin.
A. since
B. when
C. that
D. before
网友回答
A. since
B. when
(答案→)C. that
D. before
解析：考查强调句：句意：就是在300年前，这个有历史意义的庙由一个有钱的满清的官吏建造。强调句的结构是：It is /was+强调部分+that+其余部分，判断是否是强调句的方法是：去掉强调结构，如果这句话仍然成立，就是强调句，所以选C。