Question

Yesterday she sold her car, ______ she bought a month ago

1. A.
   whom
2. B.
   where
3. C.
   that
4. D.
   which

Answer 1

D
本题考查的是非限制性定语从句。题中空格前面主句中的先行词是car，空格后面定语从句的谓语动词bought后面缺一个宾语，只能选用关系代词。A项when和 B项where都是关系副词，可以予以排除，C项that不能用于非限制性定语从句中。故选D。