Which sentence best connects back to the main idea? Volunteering is a good way to gain skills and work experience. In a recent study, seventy-three percent of employers said they'd hire someone who'd volunteered. Among employees who had volunteered, ninety-four percent said that it had benefited them at work. Students looking to improve their resumes should consider volunteering.

Incomplete question. The remaining part read;

Which sentence best connects back to the main idea?

a. Volunteering is a good way to gain skills and work experience.

b. In a recent study, seventy-three percent of employers said they’d hire someone who’d volunteered.

c. Among employees who had volunteered, ninety-four percent said that it had benefited them at work.

d. Students looking to improve their resumes should consider volunteering.

d. Students looking to improve their resumes should consider volunteering.

Explanation:

Although the paragraph specifically mentions several statistical evidence, the main idea or reasons for the evidence provided only became clear with the statement, "students looking to improve their resumes should consider volunteering."

This statement rightly explains the objective of the paragraph; that is, inform students that volunteering can help them improve their resumes; increasing the chances of employment.

an unbound book has no cover; paris is a single man

explanation: