—Do you know Wugong Mountain is the first one in our province.—Yes it’s famous for its gr

问题补充：

—Do you know Wugong Mountain is the first one in our province.

—Yes, it’s famous for its grassland on the top.

A. high

B. higher

C. highest

D. highly

答案：

A. high

B. higher

(答案→)C. highest

D. highly

解析：句意:你知道武功山是我们省的第一高山吗?——是的，它因为山顶的草地非常著名。英语中表示在某个范围内是第几时，一般是在该形容词副词的最高级前加序数词。结合语境可知选C。