You will need to have a routine

You will need to have a routine biannual（ ）.
A、pressure
B、reflection
C、examination
D、attack
【正确答案】：C
【题目解析】：本题考查名词辨析。pressure“压力”， reflection“反映”， examination“审查，检查”， attack“攻击”。句意：你得接受一年两次的例行检查。。故选C。