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

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：从能表示对过去推断考虑，排除BC两项，D太绝对。