Final answer:
Sliders is not a common computer metaphor.
Step-by-step explanation:
The correct answer is d. sliders. Buttons, door handles, and menus are all common computer metaphors. Buttons represent clickable options, door handles are used to navigate between different screens or sections, and menus provide a list of available options. On the other hand, sliders are not commonly used as a metaphor in computer interfaces. Sliders are more often associated with physical objects, like adjusting the volume on a stereo or the brightness on a camera.