The Noun Phrase (NP) is a syntactic unit built around a nou...
I."Cars" is the head noun of the phrase, determining the number and gender of the phrase.
II."The" acts as a determiner (definite article), identifying the specific group of cars being referred to.
III."Three" and "expensive" function as pre-modifiers (numeral and adjective) that describe the head noun.
Choose the alternative that indicates the correct statement(s).