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Bitwise Operators - Programming

Q1:

Which of the following statements are correct about the program? 
#include<stdio.h>

int main()
{
    unsigned int num;
    int i;
    scanf('%u', &num);
    for(i=0; i<16; i++)
    {
        printf('%d', (num<<i & 1<<15)?1:0);
    }
    return 0;
}

A It prints all even bits from num

B It prints all odd bits from num

C It prints binary equivalent num

D Error

ANS:A - It prints all even bits from num

If we give input 4, it will print 00000000 00000100 ;

If we give input 3, it will print 00000000 00000011 ;

If we give input 511, it will print 00000001 11111111 ;