问题详情

Whatisthereserverequirement？
A．Therequirementofabanktodepositapercentageofmoney
B．Therequirementfordepositsincash
C．Thepercentageofabank"sdepositsintheform.ofcashreserves
D．Therequirementforcashreserves

请帮忙给出正确答案和分析，谢谢！