问题
选择题
---Oh, Mrs. King, your dress looks nice. Is it new?
---No, I ______it since two years ago.
A．had
B．bought
C．have had
D．have bought
答案
答案：C
由since引导的时间状语从句或短语，主句用完成时，结构为have或has+过去
分词，同时一般不用短暂动词，buy为短暂动词，故选C。