Which sentence uses punctuation correctly?
ABehind the empty shed, the boy planted a garden of flowers.
BBehind the empty shed the boy planted a garden of flowers.
CBehind the empty shed the boy planted, a garden of flowers.
DBehind the empty, shed the boy planted a garden of flowers.
ABehind the empty shed, the boy planted a garden of flowers.
BBehind the empty shed the boy planted a garden of flowers.
CBehind the empty shed the boy planted, a garden of flowers.
DBehind the empty, shed the boy planted a garden of flowers.