Which describes a difference between an adjectival phrase and adverbial phrase?

Question

A. An adjectival phrase modifies a noun, and an adverbial phrase modifies a verb.
B. An adjectival phrase consists of two or more words, while an adverbial phrase is usually only one word that ends in -ly
C. An adjectival phrase functions like a noun in a sentence, and adverbial phrase functions like a verb in a sentence
D. An adjectival phrase modifies a verb, and an adverbial phrase modifies a noun

Answer 1

A. An adjectival phrase modifies a noun, and an adverbial phrase modifies a verb.

This is the correct distinction between an adjectival phrase and an adverbial phrase. Adjectival phrases provide more information about nouns, while adverbial phrases give more information about verbs, adjectives, or adverbs.