If you ______ a fresh mind for an interview, be sure to have a good sleep the night before it.[ ]

A. will have        

B. have had      

C. are having    

D. are to have

患儿男，6个月。近1个月烦躁、多汗、夜惊。突然两眼上窜、神志不清，四肢抽动。持续约1分钟缓解。血清钙1.6mmol/L，血糖4.5mmol/L考虑诊断为（）

A.癫痫

B.热性惊厥

C.低血糖

D.低钙惊厥

E.化脓性脑膜炎