The answer should be B) participant. hope this helps! =^.^=
Option C. Intricate.
You use intricate to refer to something that is composed of may small parts or details.
The topic sentence is the last one "A hero is someone who sacrifices himself for a greater cause."
Answer: nouns is something that refers to a person, place, or thing. Adjectives is a word that describes a noun or person, place, or thing.
Explanation:
Need more info. Not being specific