The sentence uses an infinitive or an infinitive phrase as a noun is option D: She wanted to revise the script before submitting it.
What do you mean by Infinitive Phrase?
An Infinitive Phrase is a group of words consisting of an infinitive and the modifier(s) and/or (pro)noun(s) or noun phrase(s) that function as the actor(s), direct object(s), indirect object(s), or complement(s) of the action or state expressed in the infinitive.
An infinitive phrase is the infinitive form of a verb plus any complements and modifiers. The complement of an infinitive verb will often be its direct object, and the modifier will often be an adverb.
Therefore, correct option is D.
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