You can not expect to make great achievements if you set the goal ________ your ability.

A．above

B．for

C．on

D．to

土炒白术的炮制作用是( )

A．增强补脾止泻作用
B．降低毒性、矫味矫臭
C．降低毒性、便于粉碎
D．增强止血安络作用
E．增强入肝消积、软坚散结的作用