The ____ to ensure(确保) a bright future for myself pushed me to s

The ____ to ensure(确保) a bright future for myself pushed me to study harder.
A、crisis
B、idea
C、pressure
D、thought
【正确答案】：C
【题目解析】：crisis 危机；idea主意；pressure 压力；thought 想法；句意：确保自己前途光明的_____促使我更加努力地学习。因此C符合题意。