Answer:
D) stereomicroscope (dissecting scope)
Step-by-step explanation:
A stereomicroscope is a microscope that has low magnification and is often used to view the surface of the specimen to b observed and carry out works such as microsurgery and dissection where you don't need much greater magnification but a greater field view.
Therefore, when wants to the legs of an insect up close, the stereo microscope is the best choice as it allows to fit the insect leg in the view and also provide enough magnification.