—It' s sunny today, Daddy, How about going swimming with me?

—_______. Let's ask your mommy to go with us. [ ]

A. Don't worry

B. Never mind

C. Not at all

D. Good idea

增加分散介质黏度的附加剂（）.

A．助悬剂

B．稳定剂

C．润湿剂

D．反絮凝剂

E．絮凝剂