—I stayed at a hotel while in New York. —Oh did you? You with Barbara. A. could have sta

问题补充：

—I stayed at a hotel while in New York.

—Oh, did you? You with Barbara.

A. could have stayed

B. could stay

C. would stay

D. must have stayed

答案：

(答案→)A. could have stayed

B. could stay

C. would stay

D. must have stayed

解析：考察虚拟语气。句意：当我在纽约时，我住在一个旅馆。——哦，是吗？你可以喝芭芭拉一起住啊! “could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。故选A。