01-05:CBCAD
06-10:BDABD
11-15:CADCA
16-20:DABCD
21-25:BBADA
26-30:DDBAD
31-35:CBADC
36-40:BADBC
41-45:ACBAA
46-50:DBBCD
多选题:
01:AE
02:AC
03:CDE
04:BC
05:ACD
06:CD
07:AD
08:AB
09:BC
10:D
11:BE
12:CD
13:AB
14:AC
15:ABC
16:ABE
17:BD
18:CE
19:CD
20:BCD
21:AC
22:CDE
23:AC
24:CE
25:AB
26:ABCD
27:CE
28:ABC
29:CDE
30:BE