(2013·济南二模)It was during the Ming Dynasty ________ the Great Wall was repaired and extended to take on the appearance it has today.

A．when

B．which

C．what

D．that

房地产开发企业中的一般纳税人销售其开发的房地产项目（选择简易计税方法的房地产老项目除外），以取得的全部价款和价外费用，扣除受让土地时向政府部门支付的土地价款后的余额为销售额。