A、  B、  C、  A(A)针对“为何提前离场”的询问．做出了“身体不舒服”的回答，前后衔接得自然顺畅，故为正确答案。(B)不可以用时间来回答询问事情原因的疑问句。(C)使用了与问题中的meeting有关的on time，

Should we have a team meeting now or tomorrow morning?
(A)I think it’s at 9 tomorrow.
(B)You’re welcome.
(C)Either is fine with me.

Why did Mr. Wallace leave the meeting early?
(A)He wasn’t feeling well.
(B)10 o’clock this morning.
(C)He’s usually on time.