Explanation:
All these products use acid lactase in a formulation that makes enzyme activity available in the stomach. Depending on food intake, activity of acid lactase is destroyed within 15 to 45 min in the stomach by gastric juice
D,it never acceptable to ignore rules or etiquette but A, when no one else notices you ignored the rules.
The answer would be c protein.
Marissa since cheering could be considered an act of sportsmanship