急性肾衰竭少尿期和多尿期共同的电解质失调是（）

A.低血钾

B.高血钾

C.低血钠

D.高血钠

E.低血镁

—Is this her pen?

—_____.[ ]

A. No, it's my pen.

B. No, it's a pen.

C. Yes, it's my pen.

D. Yes, it isn't.