一杯水，温度由30ºC加热到50ºC时吸收的热量为Q₁，再由50ºC加热到70ºC时吸收的热量为Q₂，Q₁与Q₂的大小关系为 （   ）

A．Q₁＞Q₂

B．Q₁＜Q₁

C．Q₁=Q₂

D．无法判断

Four years ago, quitting the artistic director of American Ballet Theatre, Baryshnikov found the White Oak Dance Project.

A. have quit as was founding
B. having quit as had founded
C. being quit as founded
D. having quit as founded