More and More People Eat Protein Shakes for Breakfast Instead

Multiple Choice

More and more people eat protein shakes for breakfast instead of cereal. Clearly, people are tired of eating breakfast cereal and are craving alternatives. Since cereal is cheaper than breakfast shakes, no one would willingly switch to drinking protein shakes unless they were tired of eating cereal.
The reasoning above is most vulnerable to criticism on the grounds it

A) Fails to consider alternative reasons for why people would switch to protein shakes.
B) Presumes that the nutritional content of cereal and shakes is the same.
C) Presumes that the same amount of people always eat breakfast.
D) Fails to produce statistical evidence supporting its claim.
E) Assumes that price is a relevant factor when choosing a breakfast.