选择题
01-05 D C C D B
06-10 A A C B A
11-15 A C B B A
16-20 D D B C B
21-25 D D A C A
26-30 A C B C C
31-35 C D B D C
36-40 B C D A D
41-45 B A B D D
46-50 A B B C B