How are passengers informed about in-flight services?

Passengers are informed about in-flight services through a combination of in-flight announcements, magazines provided on board, and the airline's app. This multi-channel approach ensures that information is accessible and can reach passengers easily in different formats. Announcements made by flight attendants are often used to provide real-time updates and highlights of available services. In-flight magazines typically contain detailed information about the menu, entertainment options, and other available amenities, allowing passengers to refer back to this information throughout their journey. The airline's app may offer a digital platform for passengers to check services, make requests, and communicate directly with the crew for enhanced convenience.

Using a single method, such as only verbal communication from flight attendants, limits the ways passengers can receive information, which might not be sufficient for all. Providing information solely through pre-flight emails does not account for in-flight service updates or changes, and relying on printed guides available only at the airport does not support the need for ongoing information during the flight. Therefore, option A presents a comprehensive and effective strategy for informing passengers about in-flight services.