Question

Read the paragraph from a research-based informative essay.

Teenagers should be encouraged to volunteer in their community. One study analyzed data from thousands of teenagers and found that teenagers who volunteered made healthier choices. Volunteering has also been associated with a positive mindset and lower stress levels. It also allows teenagers to learn more about their community and pursue potential career paths.

Which sentence should the writer add to include commentary?

For instance, teenagers who want to be firefighters may consider volunteering at a local fire station.
Teenagers who volunteered also experienced less stress than teenagers who did not volunteer.
Since teenagers can greatly benefit from volunteering, they should prioritize seeking out these opportunities.
According to one study, only about 20 percent of teenagers volunteer.

Answer 1

Since teenagers can greatly benefit from volunteering, they should prioritize seeking out these opportunities.

Explanation: This sentence interprets the evidence and argues what should be done—it's commentary rather than a restatement of facts or an example.