---Will you do me the honor of dancing with me?

--- _____.

A．That’s a good idea.

B．Thank you all the same.

C．I’d love to, but I’m wanted on the phone.

D．Oh, it’s very kind of you.

挖底、取釉时操作不当，刀具不锋利，用力过猛或不均匀会造成产品（）

A、底足开裂

B、缺釉

C、釉缕

D、变形