Task: Question Answering
Input (English): Question: In a forest 140 deer were caught, tagged with electronic markers, then released. A week later, 50 deer were captured in the same forest. Of these 50 deer, it was found that 5 had been tagged with the electronic markers. If the percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest, and if no deer had either left or entered the forest over the preceding week, what is the approximate number of deer in the forest?

 Option A: 150

 Option B: 750

 Option C: 1,250

 Option D: 1,400

 Option E: 2,500
Output (English): Option D