—Iheardthephoneringingintheofficenextdoor. —You

问题详情：

— I heard the phone ringing in the office next door.

  — You _______ it. I haven’t got a phone yet.

   A. couldn’t hear               B. couldn’t have heard

   C．didn’t hear          D．wouldn’t have heard

【回答】

B

知识点：虚拟语气与情态动词

题型：选择题