Final answer:
A vehicle exiting a parking lot b. must yield to oncoming traffic, ensuring it is safe before proceeding onto the roadway.
Step-by-step explanation:
When a vehicle is exiting a parking lot onto a roadway, it must adhere to the local traffic laws. Generally, the correct answer is that the vehicle B) Must yield to oncoming traffic. This means the driver should stop if necessary, look for oncoming vehicles, and only proceed when it is safe to do so.
It is important for safety reasons that a driver exiting a parking lot does not assume they have the right of way, should not proceed without stopping, and should not accelerate quickly without ensuring the path is clear.