Mrs Jones' Doctor Ordered a Complete Blood Count (CBC) as Part

Mrs. Jones' doctor ordered a complete blood count (CBC) as part of her routine yearly physical exam. This test will give what type of information?

A) An indication of the function of the kidneys at clearing toxins from the blood
B) The percent of oxygen that is present in the blood
C) The amount of sodium and other electrolytes in the blood
D) The number of red blood cells, white blood cells, and platelets in the blood
E) The amount of sugar in the blood