Explanation
Based on the general guidelines and restrictions regarding mobile phone usage while driving, the correct answer would be:
(D) None of the above.
In most jurisdictions, using a mobile phone without a hands-free device or any form of manual interaction while driving is prohibited. This includes using a mobile phone while stopped at a traffic light or on the roadside, as it can still be considered a distraction and potentially pose a risk to other road users. The use of loudspeaker mode may vary depending on local laws, but it is generally recommended to use hands-free options to minimize distractions while driving. However, it's important to refer to the specific laws and regulations in your country or region to ensure accurate information.