Which of the Following Statements Is True of Lactose Intolerance

Which of the following statements is true of lactose intolerance?

A) It is a condition in which the body fails to produce sufficient amounts of the enzyme needed to digest milk sugar.
B) It is a disease in which the pancreas swells and stops functioning.
C) It is a condition in which the body resists the digestion of proteins.
D) It is a condition characterized by abnormally low blood glucose, anxiety, rapid heartbeat, and sweating.
E) It is a condition characterized by abnormally high blood glucose concentration and weight gain.