One of the most interesting places in Wenzhouare often visited by foreigners is Yandang Mo

问题补充：

One of the most interesting places in Wenzhouare often visited by foreigners is Yandang Mountain.

A. what

B. Where

C. that

D. /

答案：

A. what

B. Where

(答案→)C. that

D. /

解析：

试题分析: 句意：在温州经常被外国人参观的最有趣的地方之一是雁荡山。定语从句，修饰先行词place,又在从句中做主语，故选C。