Final answer:
When parked parallel on the right-hand side, one should signal and check for oncoming traffic before pulling out into the flow of traffic.
Step-by-step explanation:
If you are parked parallel on the right-hand side of the street and want to pull out into traffic, you should D) Signal and check for oncoming traffic. This involves using your turn signal to indicate your intentions to other drivers and looking over your shoulder and using your mirrors to ensure that the way is clear. You must ensure that you have enough room to enter traffic without causing other vehicles to slow down or swerve. Yielding the right of way is essential if other vehicles have the right to pass before you merge into the lane.