The position that most resembles the sweeper in soccer is A. Point guard.
In soccer, a sweeper typically plays a defensive role, often positioned behind other defenders, and is responsible for clearing the ball from the defensive zone and initiating plays. A point guard in basketball often has a similar role in terms of leading the team's play, distributing the ball, and facilitating both offense and defense. They need to have a good understanding of the game and be able to make quick decisions, much like a sweeper in soccer.