At first driving requires a lot of concentration, but over time, it just becomes_____.

A．authentic

B．available

C．automatic

D．awake

产后外感暑热，首选方是（）

A.王氏清暑益气汤

B.清营汤送服安宫牛黄丸

C.小柴胡汤

D.白虎加人参汤

E.竹叶石膏汤