Answer:
E. It establishes the conventional view about whether babies dream in order to show how the argument of the passage departs from this understanding.
Step-by-step explanation:
Answer E
Correct. The function of the second paragraph is to establish the conventional view that babies must dream because they experience REM sleep. It is important to explain this position because it helps readers understand how the passage’s argument—that babies probably do not dream because their brains are occupied with other activities and lack the capacity for visual imagination—relates to other points of view on the topic.