What do you think ______ makes the English version of the musical Notre Dame de Paris different from the previous ones?

A．is it that

B．that it is

C．that is it

D．it is that

在物流系统的生产经营活动中，属于固定成本的项目是（）。

A．燃料消耗费

B．工资费用

C．材料消耗费

D．固定资产折旧费