Greg and Allen Are at Bar Watching a Football Game

Multiple Choice

Greg and Allen are at bar watching a football game. Over the course of the game, each one drinks three beers. Greg is sweating and red-faced while Allen is not. A likely reason for the difference in their physiological reactions to the alcohol is that:

A) Greg's and Allen's bodies metabolize the alcohol differently.
B) Greg and Allen have had diverse cultural experiences.
C) Greg is significantly younger than Allen.
D) Greg could not control his physiological reaction to the alcohol, but Allen could control his reaction.