The factory had to______ a number of  employees because of economic decline in the country.

A．lay out

B．lay off

C．lay aside

D．lay down

臌胀之气滞湿阻证的代表方首选( )

A．附子理中汤或济生肾气丸
B．中满分消丸合茵陈蒿汤
C．六味地黄丸合一贯煎
D．柴胡疏肝散合胃苓汤