单选题
下面哪个程序，最有可能得到下面这个图形？（ ）
A.
turtle.setheading(0)\nturtle.circle(50,90)\nturtle.circle(-50,-90)\nturtle.circle(50,90)\nturtle.circle(-50,-90)
B.
turtle.setheading(-180)\nturtle.circle(50,90)\nturtle.circle(-50,-90)\nturtle.circle(-50,-90)\nturtle.circle(50,90)
C.
turtle.setheading(90)\nturtle.circle(50,90)\nturtle.circle(50,90)\nturtle.circle(-50,-90)\nturtle.circle(-50,-90)
D.
turtle.setheading(270)\nturtle.circle(-50,-90)\nturtle.circle(50,90)\nturtle.circle(50,90)\nturtle.circle(-50,-90)
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