What is value of num after the following loop?

NaturalNumber n = new NaturalNumber2(25);
NaturalNumber hund = new NaturalNumber2(100);
NaturalNumber num = n;
while (n.compareTo(hund) < 0) {
n.multiply(new NaturalNumber2(2));
if (n.compareTo(num) > 0) {
num = n;
}
}

*a.* 25
*b.* 50
*c.* 100
*d.* 200
*e.* none of the above