She wore 　was very uncommon in the country a red garment.A. what B. whichC. of which D.

问题补充：

She wore , was very uncommon in the country, a red garment.

A. what

B. which

C. of which

D. as

答案：

A. what

(答案→)B. which

C. of which

D. as

解析：考察非限制性定语从句。本题把定语从句放在句中，先行词是a red garment，which指代前面一句话的内容在非限制性定语从句中作主语。句意：她穿着一件红衣服，这在这个国家是很罕见的事情。What不能引导非限制性定语从句，C项不能再句中作主语。As有正如的意思。故B正确。