What parts of speech is most often used with a noun to create a descriptive phrase a pronoun b preposition c adverb d conjunction?

Answer 1

The part of speech used to form a modifying phrase is the (b) preposition.

A preposition must have a noun/pronoun as its object; otherwise it is considered an adverb: He ran from the large dog. (the noun 'dog' is the object of the preposition 'from')

Answer 2

b Preposition is most often used with a noun to create a descriptive phrase.