“六气斯诊，易愆寒燠之宜”中“愆”意思是（）
A.阻塞
B.形成
C.失去
D.推迟
E.通"迁"
参考答案：C
--What did the teacher say to you just now? ---She asked me ___.
A．if I hace finished my homework
B．if my homework had finished or not
C．whether or not had I finished my homework
D．whether I had finished my homework
