Answer: The answer is A.
You can think the product of 3 and 2 as: take an interval of 3 units, that starts in zero, an sum it two times.
the correct option here is A.
And you can extend this for the product of X and Y.
take an interval of X units, that starts in zero, an sum it Y times. Or take an interval of Y units, that starts in zero, and sum it X times.