If you're having trouble concentrating or staying awake while reading, it would be MOST appropriate to

A) skip ahead to the next section of the chapter.
B) switch to a reading assignment for a different class.
C) take a quick walk around the library or down the hall.
D) have a cup of coffee or an energy drink.

Quick Walk

A brief and brisk form of pedestrian movement for exercise or transportation purposes.

Concentrating

The act of focusing one's attention or mental effort on a specific task or subject.

Energy Drink

A type of beverage containing stimulant compounds, usually caffeine, intended to provide mental and physical stimulation.