SAT English Practice Question

A new study suggests that a significant percentage of the human brain’s energy is devoted to supporting the process of thinking and learning. Scientists have long been aware that the brain consumes a large amount of the body’s energy, but this new study offers more granular insight into the particular processes that are most demanding of the brain’s energy. In fact, the researchers found that the brain uses a greater percentage of the body’s energy for thinking and learning than for any other activity, even at rest.

1. A.A new study has revealed that the brain consumes a significant percentage of the body’s energy.
2. B.Thinking and learning consume more energy than any other activity, even at rest.
3. C.The brain uses a greater percentage of the body’s energy for thinking and learning than for any other activity.
4. D.The brain uses more energy than any other organ in the body.