A bruise appears as a greenish spot in the skin because
A) hemoglobin has leaked from the blood into the injury and hemoglobin has a green color.
B) the heme group in the hemoglobin has broken down into biliverdin.
C) bilirubin from iron recycling has built-up in the bruise.
D) red blood cells lyse releasing biliverdin from inside.
E) dead white blood cells accumulate at the site of injury.