An adjective clause may modify a(n)
adjective
adverb
noun
verb

Noun

Explanation:

An adjective clause is a dependent clause (It depends on another clause to make sense) that work as an adjective, which means that it modifies a noun, by describing or giving extra information about that noun.

Some examples of sentences containing adjective clauses:

Stefano reached out for the cup of coffee that laid on the window sill.

-The adjective clause that laid on the window sill modifies the noun cup of coffee as it gives further information of it.

After looking at the sculpture, which was so beautifully made, Ali decided to take a picture of it.

-The adjective clause which was so beautifully made modifies the noun the sculpture.

My mom, who has never liked sports, came to see me playing soccer today.

-The adjective clause who has never liked sports modifies the noun my mom.

yes it is like you know me bro