A two-headed arrow with one head pointing straight ahead and the other pointing to the left means:
Answer: A — You may only turn to the left from your lane
In this situation, a two-headed arrow with one head pointing straight ahead and the other pointing to the left indicates that you may only turn to the left from your lane. This road marking is typically found at intersections where left turns are allowed from the lane where the marking is present. It is essential for drivers to follow this directional arrow to ensure safe and efficient traffic flow at intersections.