-Nancy sat in the front seat on the left side of the room.

题目

-Nancy sat in the front seat on the left side of the room.
-Oh?I thought she ____ in the back.
A sat B had sat C is sitting D has sitting

答案

B
D首先排除,因为没有这种形式的
A时态不对
thought是过去时态C排除
对于谓语动词是过去式的,从句又表达的是已经发生的事情用完成时态,故选B