According to a new study by a French university, learning ______ second language can lead to ______ increase in your brain power.

A．a; the

B．a; an

C．the; the

D．the; an

颅脑外伤侧位平片显示鼻咽腔顶软组织肿胀常提示（）

A.前颅窝骨折

B.中颅窝骨折

C.后颅窝骨折

D.额骨骨折

E.斜坡骨折