Which One of the Following Statements About Early,observational Dietary Standards

Multiple Choice

Which one of the following statements about early,observational dietary standards and guidelines is false?

A) A catalyst for their development was starvation & associated diseases resulting from economic dislocation & unemployment
B) They addressed ways of providing nutrition at the lowest cost
C) They were developed from calorimetry and nitrogen balance studies on humans
D) They assumed that observed intake equaled physiologic need