Which pronoun best completes the sentence?
how is the pronoun used?

the lead actors in the play were riley, terrence, and

a.
me; predicate nominative

b.
i; predicate nominative

c.
me; subject

d.
i; subject

The pronoun that best completes the sentence and how it is used is: I, and used as a subject. The complete sentence would be: The lead actors in the play were Riley, Terrence and I. The pronoun I is a nominative pronoun. Nominative pronouns are pronouns that are used as the subject of the sentence and are the direct doer of the action.