He _____ at the last party. He felt sorry for it.[ ]

A. makes some mistakes      

B. make a mistake      

C. made few mistakes        

D. made many mistakes

脊柱裂最常见的形式是（）

A.棘突、椎板缺如，好发于颈胸部

B.棘突、椎板缺如，好发于颈部

C.棘突、椎板缺如，好发于胸部

D.棘突、椎板缺如，好发于腰骶部

E.棘突、椎板缺如，好发于腰部