She really impressed me a lot for I had never heard ______voice.

A．the more beautiful

B．a most beautiful

C． a much beautiful

D．a more beautiful

下列各种利息收入中，免征个人所得税的是( )。

A．国债利息收入

B．用于购买股票等方面的投资取得的利息收入

C．生产经营业务往来结算取得的利息收入

D．个人拥有债权取得的利息收入