Q. What is the output of C Program.?

int main()
{
    int a=0, b=0;
    while(++a < 4)
        printf("%d ", a);

    while(b++ < 4)
        printf("%d ", b);

    return 0;
}

• (A) 0 1 2 3 1 2 3 4
• (B) 1 2 3 1 2 3 4
• (C) 1 2 3 4 1 2 3 4
• (D) 1 2 3 4 0 1 2 3