单选题


小明想要绘制如图所示的图形,已知指令如下,大圆的半径为70,小圆的半径为50,请问横线处需要补充的指令依次是?( ) 

import turtle
turtle.fillcolor(____)
turtle.begin_fill()
turtle.circle(____)
turtle.end_fill()
turtle.fillcolor(____)
turtle.begin_fill()
turtle.circle(____)
turtle.end_fill()
turtle.done()

A.

 "red",70,"blue",50

B.

 "blue",70,"red",50

C.

 "red",50,"blue",70

D.

 "blue",50,"red",70

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