The correct answer is D. Images create mental pictures of people, places, and objects.
Imagery is the usage of few, very descriptive words, which are there to help readers visualize the scene more easily. These words create vivid, mental images in readers, so that they can imagine what's being described without too much effort.
Therefore, imagery is used to create various mental images, be those of objects, places, people, or anything else, so the answer has to be D.
