The correct option is D 3521
A number is said to be divisible by 4 if the number formed by the last two digits of the number is divisible by 4.
Here, 3521 is not divisible by 4 as 21 is not divisible by 4.
3948 is divisible by 4 because 48 is divisible by 4.
3116 is divisible by 4 because 16 is divisible by 4 and
3424 is divisible by 4 because 24 is divisible by 4.