Final answer:
The prefrontal cortex is the area of the brain that acts as the CEO, managing executive functions and tying together current events with memories. Therefore, the correct option is D.
Step-by-step explanation:
The area of the brain that acts as the CEO, managing executive functions and tying together current events with memories, is the prefrontal cortex.
The prefrontal cortex is located at the front of the brain and is responsible for higher cognitive functions, including decision-making, problem-solving, and working memory. It helps us connect past experiences with present situations and helps us make sense of the world around us.