患者，女性，32岁，职员，颈项部疼痛半天。晨起时突觉颈部板滞疼痛不适，右侧旋转活动和俯仰困难，查体：颈项部肌肉紧张，右斜方肌痉挛，明显压痛。颈部各项试验无神经压迫症状，X线片检查见颈椎生理弧度变直。本患者可初步诊断为（）

A.寰枢关节紊乱

B.椎动脉供血不足

C.椎动脉型颈椎病

D.落枕

E.颈型颈椎病

-I didn’t do well in the exam yesterday. Of course I _________ for it.

-Oh, your poor thing! But I think you should learn a lesson.[ ]

A. hadn’t prepared  

B. haven’t prepared  

C. didn’t prepare  

D. wouldn’t prepare