A.1PBofphysicalstoragecapacitypersystemthatcanproduceupto25PBofstoragecapacity
B.2PBofphysicalstoragecapacitypersystemthatcanproduceupto30PBofstoragecapacity
C.5PBofphysicalstoragecapacitypersystemthatcanproduceupto125PBofstoragecapacity
D.10PBofphysicalstoragecapacitypersystemthatcanproduceupto40PBofstoragecapacity
参考答案：A
