I think it is called a works cited page.
The subject in a sentence is the person, animal or object that performs the main or direct action. The action is the verb of the sentence. In this case, Dad is the subject of the sentence because he is the one who is performing the main action or verb. In the sentence the verb is invited, because it is the action that Dad is performing.
A subset of a certain group of things
usually used in the classification of books
D. because it's the purpose of a paper and what you think of a certain topic