单选：

1-10 ADCDA DADBD 11-20 CACBD AABCD

21-30 ABBBB DDBBB 31-40 BCADC ABBDD

41-50 BDBDA CDDAC

多选：

51-55 ACE ACE CD AB AB 56-60 ABDE AE AC ABC BC

71-75 ACD CD AC CE DE 76-80 BE CDE CE ADE ABE