Application 3

Application 3.2, "The Rise and Fall of Low Carbs,"describes how at one time the popularity of low-carb diets:

A) led many buyers to increase their demands for certain food products and decrease their demands for other food products.
B) led to no changes in supply on the part of businesses producing food products.
C) caused the profits of sellers of these foods to grow every year, with no evidence that they will ever fall.
D) all of the above.