You are following a bus or other large vehicle and are approaching an intersection. the large vehicle signals for a right turn, but moves to the left as you near the intersection. you should a: assume the large vehicle is swinging wide to the left, in preparation to turn right at the intersection. b: assume the large vehicle has a problem with their turn signal, and is actually changing lanes to the left. c: drive forward in your lane, between the large vehicle and the right curb or shoulder, when the large vehicle has moved far enough to the left.