将反应H+/O＝HO设计成可逆电池，下列电池中正确的是（）APt│O(g)│OH(aq)‖H(aq)│H(g)│PtBPt│H(g)│NaOH(aq)│O(g)│PtCPt│H(g)│NaOH(aq)‖HCl(aq)│O(g)│PtDPt│H(p)│HO(l)│H(p)│Pt