Charm, v. enchant, captivate, fascinate, mesmerize
charm, n. attraction, appeal, charisma
charm, n. ornament, trinket, accessory
which word would best replace charm in the sentence below?
morton had enough charm to win over even the coldest of hearts whenever he would smile.

B). Charm, n. attraction, appeal, charisma.

Explanation:

According to the context of the given sentence, the word 'charm' has been employed as a noun being followed by the determiner. Therefore, option A goes incorrect. Option C becomes incorrect as it goes out of the context of the sentence. Thus, only option B corresponds by functioning as a noun and accomplishes the meaning of the sentence and the sentence would imply 'Morton had enough attractiveness/appeal/charisma(charm) that he could win even the coldest of hearts with his smile'. Therefore, option B is the correct answer.

the first step is to convey the appropriate emotions.

i don't know sorry i cannot read a novel in 30 min.

explanation:

but just in case i think the answer is b.