SAT English Practice Question

The author's main point is that the human brain is still poorly understood. They support this claim with the idea that humans are unable to fully understand how the brain works, even with the development of modern neuroscience. This claim suggests that humans may not fully understand themselves, even in their most basic form. The author also suggests that the human brain may be a more powerful organ than people realize, which supports the idea that humans have the potential to achieve far more than they currently do. The author also suggests that the human brain is a complex organ, which is demonstrated by the passage's description of the intricate workings of the brain.

1. A.the human brain has limited capacity for understanding itself.
2. B.the human brain is a powerful organ that humans do not fully understand.
3. C.modern neuroscience has revealed all of the secrets of the human brain.
4. D.the human brain is less complex than people realize.