Identify the choice that best answers the question.
According to "Sleep," how do the scientists who study rats' brains and the connections to sleep know that rats dream about things they have done during the
day?
OA. After sleep, the rats appear to expect to run through the same maze as the day before.
о B. The rats act more alert and seem eager to repeat tasks from the day before, whereas they hesitate with new tasks.
O
O
C. Through observation, scientists recognize that with practice rats make better decisions when working their way through a maze.
D. Scientists identify the same electrical patterns in the rats' brains during sleep that they saw when they ran through a particular part of a maze.