B. Warm-blooded vertebrates that nourish their young with milk.
Hope this helps mate! Best of luck to you. :)
The
subject complement in the sentence: ‘My face is cold’ is letter c: cold.
Subject
complements are any noun, adjective, pronoun that proceeds after a linking or
helping verb (am, is, are, was, were, has been, are being, might have been,
etc.], be, become, and seem. They are also called true linking verbs.
<span>In
the sentence, the linking verb is ‘is’ therefore, the subject complement out of
the given choices here is ‘cold’ (functions as adjective) towards the subject ‘My
face’.</span>
A poem is your answer. Please comment if you want more examples :)
It should be an adjective phrase, because it's modifying books, and it also has an adjective as it's head word.