What initial value of num would prevent cnt from being incremented three times or more in the following code?

int main() {

int cnt = 10; int num = 1;

do {

cnt = cnt + 1;

num = num - 1;

} while (num != 0);

cout << cnt;

return 0;

}

Select one:

a. No such value

b. 0

c. 2

d. 4