绘制一个半径为5的红色圆点，下列选项不正确的是？（ ）
import turtle
turtle.color("red")
turtle.dot(10)
turtle.done()import turtle
turtle.color("red","red")
turtle.begin_fill()
turtle.circle(5)
turtle.end_fill()
turtle.done()import turtle
turtle.pencolor("red")
turtle.dot(10)
turtle.done()import turtle
turtle.color("red")
turtle.dot(5)
turtle.done()