A student must create a mode of a lens. The lens must be able to focus light into a small space. Which best describes the type of lens the student should model?

A. The student should model a convex lens because it directs light toward the center of the lens.
B. The student should model a concave lens because it directs light toward the center of the lens.
C. The student should model a concave lens because it gathers bands of color together to form white light.
D. The student should model a convex lens because it gathers bands of color together to form white light.

A. The student should model a convex lens because it directs light toward the center of the lens.