The government announced that six highways      by the end of last year.

A．built

B．had built

C．have been built

D．had been built

治疗瘀血停滞之胃痛实证应首选：

A．加味逍遥散

B．调营敛肝饮

C．木香顺气散

D．少腹逐瘀汤

E．失笑散加味