—Can I look at the menu for a few minutes before I decide?

—Of course. ______, sir.[ ]

A. Make yourself at home

B. Enjoy yourself

C. It doesn’t matter

D. Take your time

粘土颗粒层面上由于电动电势的存在，所以层面间相互（）。

A、吸引

B、聚结

C、排斥

D、分散