-What do you ____________the school uniforms?  

-They are not smart.   [ ]

A. think out          

B. think of  

C. think over        

D. think

剖宫产术的禁忌证是（）

A.胎盘早剥

B.宫缩乏力

C.头盆不称

D.死胎

E.胎儿宫内窘迫