Carol _____ some reading and _____ English over the weekend. [ ]

A. did, practiced

B. did, practicing

C. do, practiced

D. does, practices

肋骨骨折伴气胸肺压缩60%，应作处理（）。

A.锁骨中线第二肋间隙作胸穿

B.腋中线第7～8肋间隙作胸穿

C.锁骨中线第5肋间隙作胸腔闭式引流

D.腋后线第7～8肋间隙作胸腔闭式引流

E.剖胸探查止血