A rear tire blows out, causing the bus to sway. You must
A. apply your brakes firmly, give your turn signal, and find a safe place to stop.
B. grip the steering wheel firmly and stop immediately, using your service brakes.
C. turn on your hazard lights, give your right turn signal, and use the emergency brake to stop.
D. grip the steering wheel, step on the accelerator until you get the bus under control, and stop.