Recently a number of Taobao sellers have begun offering garments styles worn by China’s

问题补充：

Recently , a number of Taobao sellers have begun offering garments styles worn by China’s first lady PengLiyuan.

A. base on

B. bases on

C. basing on

D. based on

答案：

A. base on

B. bases on

C. basing on

(答案→)D. based on

解析：句意：最近，许多淘宝卖家开始提供以中国第一夫人彭丽媛穿的样式为基础的服装。此处based on styles worn by China’s first lady PengLiyuan.是过去分词短语作定语。Garments和base之间是被动关系，故用过去分词。