----What about going on a trip?

----Sound a good idea. But I don't have time now and____it's too expensive.

A．somewhat

B．however

C．anyhow

D．therefore

患者，女，20岁。经期先后不定，经色正常，经前 * * 胀痛，经期小腹痛，性情急躁，舌苔薄黄，脉弦。用药应首选的药物是（）

A.疏肝理气药

B.活血止痛药

C.温阳滋阴药

D.补血滋阴药

E.温脾和胃药