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A、B、C、D四人是仓库的保管员。一天,仓库里的物品被盗。经过勘查,发现这四个保管员都有作案的嫌疑。又经过进一步核实,发现是这四个仓库保管员中的两个人作的案。在盗窃案发生的那段时间里,找到的可靠线索有:(1)B和D不会同时去仓库;(2)C若去仓库,D必定一同去;(3)A、B两个人中有且只有一个人去过仓库;(4)D若没有去过仓库,则A也没有去过。根据这些条件,你能判断出是哪两个人作的案吗?
A, B, C, D four people is the custodian of the warehouse. One day, the items in the warehouse were stolen. After investigation, found that the four custodians have the suspicion of committing the crime. Further verification revealed that it was the case of two of the four warehouse keepers. During the period of theft, reliable clues were found: (1) B and D would not go to the warehouse at the same time; (2) C would go together if they went to the warehouse; (3) both A and B And only one person has been to the warehouse; (4) D has not been to the warehouse if it has not been to. According to these conditions, you can determine which two people do the case?