某宗房地产的土地价值占总价值的40%，建筑物价值占总价值的60%，从可比实例房地产中求出的土地资本化率为6%，建筑物资本化率为8%，综合资本化率为( )。

A．6.2%

B．7.2%

C．8.2%

D．9.2%

His parents were teachers in that school, _______ lost their lives in order to save

their students in the earthquake.  

A．none of them

B．both of them

C．none of whom

D．both of whom