"What does this program do?
var ball;
function start(){
ball = new Circle(40);
add(ball);
setTimer(draw, 20);
}
function draw(){
(2, 2); }".
a) Creating a ball object with a radius of 40
b) Drawing a circle with a radius of 40
c) Initiating a timer with a duration of 20 milliseconds
d) Setting the background color to 2, 2