To Make Your Studying More Productive, Your Text Suggests All

To make your studying more productive, your text suggests all but which of the following?

A) Eat a large meal before sitting down to study in order to avoid distractions from hunger.
B) Place yourself in an area conducive to studying and free of distractions.
C) Space your study sessions rather than cramming lots of studying into one period.
D) Form a mental image of yourself performing the intended action.
E) Adopt a healthy diet, regular sleep schedule, and regular exercise regimen.