Answer:
My car, which was just washed, needs to be waxed.
O My car, which was just washed, needs to be waxed.
My car, which was just washed, needs to be waxed.
O My, car which was just washed, needs to be waxed.
My car, which was just washed, needs to be waxed.
Explanation:
I think this is what your looking for but im unsure
The answer is C, they present the problem in the first part of the sentence (rather than...) and provide a solution in the second half.