Final answer:
To describe Tom accurately, one must consider the context in which his character is presented. The words 'dominant,' 'assertive,' and 'passive' have distinct meanings, and the choice depends on Tom's behavior in interactions with others and in various situations.
Step-by-step explanation:
Choosing the word that best describes Tom depends on the context provided by the text or scenario in which Tom is a character. If Tom often takes control of situations and is in charge, then dominant would be the most suitable description.
If Tom regularly stands up for his beliefs and expresses his thoughts and feelings in a confident way without being aggressive, assertive is the correct word. However, if Tom tends to be quiet, does not typically try to influence others, and allows things to happen or be decided by other people without trying to change them, passive would be the ideal descriptor. The correct answer is assertive.