答案: 1-5: B B D B C 6-10: C A C D B 11-15:D A C B C 16-20:B C B C D 21-25:B B A C B 26-30: A D A C A 31-35: A A C D A 36-40: D D A B C 41-45: B B D A B 46-50: A C D D A 51-55: A B C D B 56-60: C A C B A 61-65: C B B B A 66-70: B A D C C 71-75: C A B A B‘ 76-80: D A A A B 81-85: D C D C C 86-90: B B B B A 91-95: B C A C A 96-100:D A B A C