There is a growing________for people to work at home instead of in offices.    [ ]

A. temptation                    

B. tendency    

C. tradition                      

D. fashion

产后腹痛的病因主要为

A．气滞、血瘀

B．气虚、气滞

C．血虚、血瘀

D．肝郁、脾虚

E．气虚、血热