官方带你学CATTI

【官方带你学CATTI】距离上半年CATTI考试还有38天啦！小编请考霸学姐整理了一波习题，带你轻松备考
We have to get on in this world, and either we entrust our course to intellect and whatever insight we can muster or we ___ and take our chances with fate.
A. fluctuate
B. flounder
C. foment
D. flourish
答案与解析见图