The family were holidaying in the country _______ the rain poured down.

A．when

B．as

C．while

D．since

治疗太阳头痛在主穴的基础上配（）。

A．天柱、后溪、申脉

B．率谷、外关、足临泣

C．曲池、合谷、内关

D．四神聪、太冲、内关

E．印堂、攒竹、合谷、内庭