有溶解胆结石作用的成分是（）

A.鹅去氧胆酸

B.去氧胆酸

C.α-猪去氧胆酸

D.牛磺酸

E.胆酸

To crash a schedule you should ______.

A) increase the time allowed on those tasks that have float
B) try to increase expenditures of time on only those tasks that are behind schedule
C) replace those workers that are not performing up to par with the busy workers
D) increase work efforts on those tasks that are on the critical path