We know that ________ better future is at ________ hand if all hands come together and pull together.

A．a; the

B．the; the

C．a; /

D．/; /

构造单位的分割使投资者买卖ETF的最低投资金额远远低于买入各指数成份股所需的最低投资金额，实现了以较低金额投资整个市场的目的，并为投资者进行价值评估和市场交易提供了便利。( )