The Charge-Coupled Device (CCD), Now Used Extensively for Astronomical Imaging

The charge-coupled device (CCD) , now used extensively for astronomical imaging, works on what principle?

A) Light from the image modifies the plastic material on a disk, which can then be read on a standard video compact disk (CD) player.
B) A single optical detector generates an electrical signal as it is scanned quickly across the astronomical image.
C) Light generates electrical charge on a computer-readable multi-element array of detectors.
D) Light from the image is detected by new, high-sensitivity, fine-grain, automatically processed film.