Hello I was working with a tutor but it logged me out I could really use some help with this question

ANSWER:
D. Magnification
STEP-BY-STEP EXPLANATION:
The magnification of a lens is defined as the ratio of the height of an image to the height of an object. It is also given in terms of image distance and object distance. That is, it refers to the change in size produced by the lens.
So the correct answer is D. Magnification