Final answer:
The approximate size of the student population at UCF is 80,000.
Step-by-step explanation:
The question asks about the approximate size of the student population at UCF. To answer this, we'll look at the given options: A) 20,000 B) 40,000 C) 60,000 D) 80,000. Based on available information, the correct answer is D) 80,000. It's important to note that the specific size of the student population may vary over time, so it's always recommended to check the latest official data from the university.