What must a driver do when a traffic officer signals to stop?

Answer: C — Stop immediately regardless of traffic signals

When a traffic officer signals for a driver to stop, the primary responsibility is to stop immediately, regardless of other traffic signals or circumstances. This is crucial for the safety of everyone on the road, as the officer may need to address a serious situation, whether it be a traffic violation, an emergency, or assessing a potential danger. Stopping immediately helps to prevent further complications or accidents that could arise from not complying with the officer’s directive. Traffic laws prioritize the authority of law enforcement in directing traffic, so adhering to their signals is necessary for maintaining order and safety on the road. In a situation where a driver chooses to ignore the signal, continues driving slowly, or asks the officer for clarification, it can lead to misunderstandings and jeopardize both the driver's and others' safety. Therefore, the requirement to stop immediately emphasizes the importance of obeying law enforcement commands in any traffic scenario.