When you approach a stopped school bus with flashing red lights, you must:

Answer: B — Stop if you are going in the same direction as the bus

When approaching a stopped school bus with flashing red lights, it is important to stop regardless of the direction you are traveling in as children may be crossing the street. Therefore, options A and C are incorrect. Option D, slowing down and proceeding with caution, is also incorrect as it does not account for the possibility of children crossing the street. Option B, stopping if you are going in the same direction as the bus, is the correct answer as it ensures the safety of children boarding or exiting the bus.