A.8% B.1 0% C.25% D.75%
A.Online To Offline B.Offline To Offline C.Offline To Online D.Online To Online
A.Ag(T+D)价格上升 B.消费收入增加 C.Ag(T+D)价格下降 D.交易手续费增加
A.13 B.12 C.15 D.14