问题
选择题
—You probably won't need to call Joe, but take his number, just ________.
—Thanks a lot.
A.at random
B.in return
C.in case
D.by heart
答案
答案:C
——你可能不需要给Joe打电话,不过还是记下他的电话号码吧,以防万一。——谢谢!in case“以防万一”,符合语境。