Mary was born in 1752 in a rich family in is now the state of Virginia.A. whichB. whereC.

问题补充：

Mary was born in 1752 in a rich family in is now the state of Virginia.

A. which

B. where

C. that

D. what

答案：

A. which

B. where

C. that

(答案→)D. what

解析：本题考查宾语从句。分析句子成分可知：题干中从空格到句尾是介词in的介词宾语从句，而从句从缺少表示事物的主语，因此选what。