______在小说《阿Q正传》中塑造了代表中国国民劣根性的典型人物阿Q的形象。( )

A．胡适

B．鲁迅

C．赵树理

D．刘半农

Compared to investment in a single hedge fund and a fund of fund, the latter will most likely result in a decrease in:（）

A. diversification.

B. expected return.

C. management fees.