Answer :
A. Good is the proper answer. "Well" is used as a different kind of modifier, usually to modify actions. For instance, "Timmothy did very well on the math test despite not having studied"
A. Good
A word, phrase, or clause that functions as an adjective or adverb to provide additional information about another word or word group (called the head). Modifiers include adjectives or adverbs.
This is from a website partially
A word, phrase, or clause that functions as an adjective or adverb to provide additional information about another word or word group (called the head). Modifiers include adjectives or adverbs.
This is from a website partially