A、  B、  C、  Cwhy间接疑问句→回答推迟原因

This conference should be over by four, shouldn’ t it?
(A) No, I think it ends at five.
(B) No, I could barely keep my eyes open.
(C) We have to discuss everything on the agenda.

Do you know why the presentation was put off until next week?
(A) Can we meet tomorrow instead?
(B) I’ ve known the president for years.
(C) The presenter called in sick.