The main idea or central message is where the author can convey through his story, poem, novel, or play what he wants the readers to learn or what lessons we should acquire after the literary work. It is usually the theme or moral of the story.
Answer:
By seeing the needs of others, they look beyond their own lives and realize that they can help someone else to lighten a load and make a difference.
C. <span>the grammatical order of words.</span>
I'd go with A because the other options don't make sense at all.