Answer
Option (c).
Work Step by Step
Aperture controls the amount of light entering the camera lens. When the aperture is reduced, the depth of field is increased and requires a longer exposure time.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.