Answer :
Answer:
B. Forbidden.
Explanation:
The word "taboo" refers to anything that is 'illegal', 'forbidden', or 'prohibited' from being spoken out. It usually has a negative connotation in its use. And it is used for any word, topic, or even anything that a person is prohibited or forbidden from talking about it. The reason for its prohibition can either be repulsive or it is too sacred for it to be openly spoken about.
Synonyms are those words that have the same meaning with the original or given word. And in the given passage, the word that best offers the synonym for the word "taboo" is "forbidden".