--- I am interested in that beautiful bag. What do you charge for it?

--- $ 120.

--- ______ , but I can’t afford it.

A．It is worth that

B．It is really nice

C．Please lower the price

D．That is too dear

焊接铝及铝合金时，应用最广泛的焊接方法是（）。

A.气焊

B.电阻焊

C.焊条电弧焊

D.氩弧焊