下列哪段程序可以实现改变物体颜色
A Public virtual void OnMouseEnter()
{
this.GetComonent().color = Color.green;
}
B Public virtual void Update ()
{
if (((this.mouseon !=θ) && Input.GetButtonDown(“Fire 1”))||  Input.GetKeyDown(KeyCode.P))
}
C
Public virtual void ToHelpMenu ()
{
sceneManager.LoadScene(θ)
}
D
Public virtual void Update ()
{
this.GetComonent().Play(“yaotou”);
}