患儿男，10个月。频繁抽搐入院，查体前囟紧张，呼吸增快，首先宜采取的措施是（）

A.吸氧

B.建立静脉通路

C.保持呼吸道通畅

D.镇静止惊，降颅压

E.头颅CT

—Jason wants to know if ______a school sports meeting  tomorrow?

—Yes, we will. But if it______, we'll have classes instead.[ ]

A. will you have：rains    

B. you will have: will rain    

C. you will have：rains    

D. will you have: will rain