在Rt△ABC中，∠C=90°，∠A的平分线交BC于点D，且BC=8，BD=5，那么点D到AB的距离等于（ ）。
3
—I'm sorry, I have broken your cup.
—Oh, really?____. [ ]
A. That's all right.
B. It's nothing with it
C. Don't be sorry
非线性渗流
