Which of the following sentences includes an infinitive?

A. Auggie went to the movies yesterday.

B. Aiden's favorite activity is fishing.

C. Leticia offered to bring the party supplies.

D. Reed doesn't like watching sports on TV.

C. Leticia offered to bring the party supplies.

An infinitive is a verb phrase that starts with "to". In this sentence "to bring" is the infinitive. It begins with the word "to" and is followed by the verb "bring". Options B and D do not contain the word "to" so they can be eliminated immediately. Option A contains the phrase "to the movies" which begins with the word "to". However, this is a prepositional phrase because it ends with a noun, "movies", and not a verb.