When approaching a stop sign, you must come to a complete stop before which line?

Answer: D — The white line

Approaching a stop sign, it is important to come to a complete stop before crossing the white line. The crosswalk (option A) is not always present and may be further or closer to the stop sign. The intersection (option B) includes multiple lanes and may not have a clear stopping point. The sidewalk (option C) is for pedestrians and not for vehicles to stop on. Therefore, the best reference point is the designated white line before the stop sign.