Question

Adverbs can modify all of the following except

A. other adverbs.
B. verbs.
C. adjectives.
D. nouns.

Answer 1

D. nouns.

Adverbs are part of the speech that can modify and describe adjective, verbs and other adverbs in the sentence, clause or phrases.
While nouns can not be modified, the modifiers of noun and pronoun are adjectives.

Adverbs can be for example

I talk loudly. loudly is the adverb