英语单选,急啊!A lot of meetings were --------because of the danger

A lot of meetings were (C)because of the dangerous disease.
A.turned off B.set off C.put off D.taken off
put off是推迟的意思.turn off是关上的意思,set off是出发的意思take off也有关上的意思
-But where are the books?
-Don't worry.They (B)in no time.
A.heve sent B.will be sent C.are sending D.have been sent
它是问,书在哪里,第二句回答是,书马上会被寄过来in no time是马上的意思,此处只有B符合