One of the Major Differences Between a Standard X-Ray and a CAT-Scan

Multiple Choice

One of the major differences between a standard X-ray and a CAT-scan is

A) a CAT-scan does not subject the patient to X-rays.
B) photons are emitted during a CAT scan, but not during an X-ray.
C) only a CAT-scan can produce a three-dimensional image of the interior of the body.
D) only an X-ray can produce sharp images of organs with densities.
E) only a CAT-scan uses gamma rays.