Final answer:
If a passenger has a companion, they would most likely be sitting together in the middle row. the answer to this question would be 3) Middle row.
Step-by-step explanation:
If a passenger has a companion, it is most likely that they would be sitting together in the same row. Therefore, the answer to this question would be 3) Middle row.
In most cases, passengers who are traveling together would prefer to sit in close proximity to each other. This makes it easier to converse and ensures that they can easily coordinate their activities throughout the journey. Sitting in the middle row would allow them to be seated together without being too far away from the front or back of the plane.
It's important to note that the specific seat arrangement may vary depending on the airline and the type of aircraft being used. However, the middle rows in most planes typically provide a suitable option for passengers traveling together.