The diagrams show the frontal view of the pupil and iris of the eye at different light intensities. Which row gives the correct description of diagram X?
- Aeye is in bright light; circular muscles of the iris are relaxed; radial muscles of the iris are contracted
- Beye is in bright light; circular muscles of the iris are contracted; radial muscles of the iris are relaxed
- Ceye is in dim light; circular muscles of the iris are relaxed; radial muscles of the iris are contracted
- Deye is in dim light; circular muscles of the iris are contracted; radial muscles of the iris are relaxed