患者，女，19岁，未婚。经来先期，量少，色红，质稠，手足心热，咽干口燥，舌质红，苔少，脉细数。治疗应首选（）

A.清经散

B.丹栀逍遥散

C.两地汤

D.固阴煎

E.归肾丸

Before we started out, we'd better()the time of the next train in the time table.

A．look after

B．look for

C．look up

D．to look for