单项选择题
A.0.05%~0.15% B.0.15%~0.2% C.0.25%~0.5% D.0.5%~0.75%
A.0.5% B.1% C.1.5% D.2%
A.货币市场基金 B.ETF C.开放式基金 D.封闭式基金