Compared to Spaced Studying,massed Studying Is Less Effective Because

Multiple Choice

Compared to spaced studying,massed studying is less effective because

A) it doesn't allow consolidation and it takes longer than spaced studying.
B) the brain can't process too much information at once and it uses more energy.
C) it doesn't allow enough time between learning trials to maximize learning and it leads to sleep deprivation.
D) it forces the learned material to become associated with a specific context and the learning doesn't last as long.