---Would you like to go shopping with me?

---_________But I’m busy preparing for my test.

A．Don’t mention it.

B．I’d love to.

C．That’s all right

D．My pleasure

将玻璃加热到一定温度后迅速冷却处理的玻璃称为（）

A.浮法玻璃

B.弹性玻璃

C.钢化玻璃

D.冷热玻璃