Everything ________into consideration, they ought to have another chance.[ ]

A. to take        

B. taken                

C. to be taken        

D. taking

设太阳质量为M，某行星绕太阳公转周期为T，轨道可视作半径为r的圆．已知万有引力常量为G，则描述该行星运动的上述物理量满足（　　）

A．GM=

B．GM=

C．GM=

D．GM=