Have you ever been to Mount Huangshan, is famous for its pine forests and sea
of clouds?
A. what
B. where
C. that
D. which
网友回答
A. what
B. where
C. that
(答案→)D. which
解析： 考查非限制性定语从句，先行词是Mount Huangshan，而且定语从句中缺少主语，应该用关系代词，因为是非限制性定语从句不能用that，只能选D，句意是：你去过黄山吗：它因为松树林和云海而著名。