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)turtle.circle(50,90)turtle.circle(-50,-90)turtle.circle(50,90)turtle.circle(-50,-90)
B
turtle.setheading(-180)turtle.circle(50,90)turtle.circle(-50,-90)turtle.circle(-50,-90)turtle.circle(50,90)
C
turtle.setheading(90)turtle.circle(50,90)turtle.circle(50,90)turtle.circle(-50,-90)turtle.circle(-50,-90)
D
turtle.setheading(270)turtle.circle(-50,-90)turtle.circle(50,90)turtle.circle(50,90)turtle.circle(-50,-90)