609.A car is waiting to turn left at an intersection. When the signal changes to a circular green light, howshould the driver proceed?
(A) To maintain traffic flow, turn on the turn signal and make the left turnimmediately.
(B) Must wait until there are no oncoming vehicles going straight, and may only turn left afterconfirming it is safe; preemptive passage is not allowed.
(C) No need to consider oncoming straight-goingvehicles; as long as you are within the center point of the intersection, you may turn left with priority.