What is the main idea of this article excerpt? Service means helping others in the community. Service benefits the helpers and those helped. Service is valuable because it is done for free. Service requires help with food production.

I believe the answer is B

Here's an explanation:

As stated in both paragraph 3 and 4, the people who serve aren't doing it for money or gifts but to instead benefit the less fortunate people in the community while also making better people out of themselves by understanding the perspectives of others struggling, which are invaluable and important of a good citizen.

Explanation:

to inform readers about the ways young people improve the world.