What Is the Primary Cause of the Edema That Accompanies

What is the primary cause of the edema that accompanies kwashiorkor?

A) Fluids shift out of the blood and into the tissues, causing swelling.
B) Lipoprotein synthesis is diminished, causing fat to accumulate.
C) Protein is lost from the heart muscle, resulting in a weak heartbeat.
D) Synthesis of enzymes is reduced.
E) Deterioration of the digestive tract lining.