B. ) intransitive verb . . . because while the verb "listened" describes the action being performed, it does not have a direct object in receipt of the action . . . and thus is an intransitive verb.
Verb is a figure of speech that does action. In addition, a complete verb can include adverbials and prepositions. In this example, the action word is 'go'. But if we are talking about the complete verb, the answer should be 'will often go". This phrase altogether gives Sue not only an action, but also the frequency of the action.
Support the life of cows that meows like a little kitty
Hope this helps
Linking verbs don't show actions but action does hence the name action verb