Final answer:
In Pennsylvania, only the operator of the boat should abstain from drinking alcohol. Passengers may consume alcohol but the operator must remain sober to ensure safety.
Step-by-step explanation:
The correct answer to the question "Which is true about drinking alcohol while operating a boat in Pennsylvania?" is B. Only the operator should abstain. It is important to understand that operating a boat while under the influence of alcohol is illegal in Pennsylvania, as it is in many states. While passengers on the boat may be allowed to consume alcohol, the operator is required to be sober in order to ensure the safety of everyone on board. This law is similar to the laws regarding drinking and driving a vehicle, and it is in place to prevent accidents and ensure public safety on the water.