On a road with one lane each way in a school zone, car A ahead is driving slowly at 30 km/h or less. No cars are coming the other way, and the centerline is solid yellow. Which TWO are correct? Select TWO

On a road with one lane each way in a school zone, car A ahead is driving slowly at 30 km/h or less. No cars are coming the other way, and the centerline is solid yellow. Which TWO are correct?