房地产项目从土地取得到人市销售，房地产营销划分为( )等阶段。

A．项目取得与地块研究

B．产品设计与规划

C．施工监理

D．策划与销

The volunteers started looking after other children（）parents died of AIDS last year

A.whose

B.that

C.which

D.who