—I'm so sorry that I broke your vase.

—Oh, really? ________.[ ]

A. All right.  

B. It doesn't matter

C. It's right with me  

D. I don't care about it

同一总体内的部分数值与总体数值之比称为（）指标；同类指标在不同时间之间的比值则称为（）指标。