答案:
1-5:BACBD
6-10:EBDED
11-15:EDADC
16-20:AEDBC
21-25:BEDDE
26-30:DBBEA
31-35:DEBBC
36-40:BEACB
41-45:CEBCA
46-50:DCCED
51-55:BCDED
立仁东方提供答案: