参考答案
1-5 DCBAB 6-10 BABBC 11-15 ABACD 16-20 CBBA C
21-25 AAEBA 26-30 DFEAC 31-35 CACBD 36-40 CBBAD
41-45 CCACD 46-50 BCDEF 51-55 BACDB 56-60 DCBCC
61-65 ADDAA
