Many peasants in the north go to the south _____ much money.

A．make an attempt at making

B．in attempts to make

C．making an attempt to making

D．attempt to make

牵正散的功用是( )

A．祛风除湿，通络止痛
B．化痰通络，活血止痛
C．祛风化痰，通络止痉
D．祛风化痰，定搐止痉
E．祛风除湿，化痰通络