b)Students can help at ball fields, churches, nurseries, and veterinarians’ offices.
Explanation:
First, let's see what the question is asking for. The question is asking which part of the passage is giving us some examples of volunteer opportunities. Meaning it is asking us which sentence is talking about some places where you can volunteer.
While the other options show the pros of volunteering, option B tells us about some places where you can volunteer by giving us some examples.
