下列是爱迪生电池分别在充电和放电时发生的反应：Fe+ NiO₂+2H₂O　Fe(OH)₂+Ni(OH)₂，消耗0.54g H₂O时，电解0.01molCuSO₄和0.01molNaCl混合溶液100mL，两极产生气体标况下总体积是                                              (      )

A．0.168L

B．0.224L

C．0.336L

D．0.672L