Which ONE of the following is not a cause of general oedema?

The answer is B. Hay fever is a cause of local oedema; the active hyperaemia of the acute inflammatory reaction being responsible. Right ventricular failure (E) causes cardiac oedema; hypoalbunaemia is a feature of the nephrotic syndrome (D) which is accompanied by oedema; kwashiorkor (C) is responsible for oedema due to the severe hypoproteinaemia; some patients with chronic wasting diseases (A) develop oedema as a result of cardiac failure and hypoproteinaemia.