If human beings had been a bit less greedy and cruel, more birds and animals ______ dying out. [ ]

A. ought to avoid

B. could have been avoided

C. should have avoided

D. might have avoided

大柴胡汤是黄疸哪一证型的代表方剂（）

A.脾虚湿滞证

B.寒湿阻遏证

C.胆腑郁热证

D.热重于湿证

E.湿重于热证