Identify Which Revision Correctly Repairs the Dangling/misplaced Modifier Error in the Following

Identify which revision correctly repairs the dangling/misplaced modifier error in the following sentence:
As a child, my mother used to give me time-outs for bad behavior.

A) When I was a child, my mother used to give me time-outs for bad behavior.
B) As a child, I often received time-outs from my mother for my bad behavior.
C) Both A and B are correct.
D) Neither A nor B is correct.