—Has Nancy gone back to her home in the UK?
—Yes. She here only for three days with her friend.
A. stayed
B. had stayed
C. has stayed
D. is staying
网友回答
(答案→)A. stayed
B. had stayed
C. has stayed
D. is staying
解析：
试题分析:句意:——南希回到英国的家中了吗？——是的。她在这里和朋友只呆了三天。根据语境判断南希已经回家了，所以她和朋友呆在一起是过去发生的事情，排除CD选项，B选项过去完成时是强调“过去的过去”，故答案选A。