Task: Question Answering
Input (English): Question: In a certain pond, 40 fish were caught, tagged, and returned to the pond. A few days later, 40 fish were caught again, of which 2 were found to have been tagged. If the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond, what`s the approximate number of fish in the pond?

 Option A: 400

 Option B: 625

 Option C: 1250

 Option D: 2500

 Option E: 1000
Output (English): Option E