—Mum, is the pair of gloves       mine?

—Yes. You have to wear another pair.

A．washing

B．have washed

C．having washed

D．being washed

转移瘤细胞的倍增时间较原发瘤，生长速度较原发瘤（）。

A.长，快

B.长，慢

C.短，慢

D.短，快

E.无变化，无变化