We ____ the last bus and didn’t have any money for taxi, so we had to walk home.

A．reached

B．lost

C．missed

D．caught

脱疽的主要病因病理是

A．脾气不健，肝肾不足，寒湿侵袭，凝滞脉络

B．温热蕴结，寒湿外侵，气血瘀滞，脉络滞塞

C．湿热下注，气血壅滞，经络阻隔，脉络瘀滞

D．肝肾不足，气血两亏，络脉闭阻，筋骨失养

E．情志郁结，气滞血瘀，脉络闭阻，筋脉失养