和这图相关的两道题
21. In the figure above a change from perfect competition to monopoly means a loss for society of the area

a. Q1DEQ2.

b. BCD.

c. DGE.

d. BDEA.

e. ACE.

第一题答案知道了就是我画蓝线的C

22.  Consumer surplus under conditions of monopoly in the figure above is

a.  AEC

b.  CE0

c.  CDB

d.  0BdQ1

e.  DHE

第二题答案消费者剩余是B?还是C?,自己感觉应该是c，不知道对不？求助各位了！！