参考答案
单选题
DCCBA BCCDC DBCDC BAABD CCBAA
CBCCD ABCDA CCCAB ADBAA DCBDC
多选题
ABD ACDE ABC ABCE ACDE AC CD BCD ABCD AD
BCDE ABCE BD BD ACE CDE CD ABCE BCE AC
ABC BDE BDE ACDE ABD ABCE ABCE CDE BCD ACD