The central idea of the third section why do we dream is, 'People may dream to improve long term memory and process new information.'
Answer: Option A.
Step-by-step explanation:
Central idea of any passage is the main idea, it depicts what the passage is all about. The third Section of ‘Why do We Dream’ states that dreams help people in processing new information, thus improving their long-term memory. And this is also the central idea of the passage.
According to the experiments conducted by scientists, they concludes that whatever we do while we are awake, those activities and memories takes form of a dream while we are sleeping. The experiment was conducted on rats because rats experience the same sleep cycle as humans do.