单选题

 想要绘制如下所示图形,正确的是?( )

A.

  import turtle

turtle.color("red")

turtle.circle(100,180)

turtle.done()

B.

 import turtle

turtle.color("red")

turtle.circle(180)

turtle.done()

C.

  import turtle

turtle.color("red")

turtle.circle(100,270)

turtle.done()

D.

 import turtle

turtle.color("red")

turtle.circle(100,360)

turtle.done()

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