Health is important to us. We should eat more vegetables and fruit instead of _____ rich food． [ ]

A．too much

B．much too

C．very much

D．very

一张长方形纸的周长是20厘米，长方形长与宽的比是3：2．从这张纸上剪下一个最大的圆，这个圆的面积是______平方厘米．