—I prefer western food. It's a kind of healthy food.

—________ But western food is said to be high in sugar and fat, such as hamburgers and fries.

A．Is that right?

B．How do you know that?

C．Do you really think so?

D．Who told you that?

在众多的工程造价指数中，属于单项价格指数的是( )。

A．建设项目造价指数

B．建筑安装工程造价指数

C．材料费价格指数

D．设备、工器具价格指数