Task: Question Answering
Input (English): Question: 10 distinct integers are arranged in ascending order. The range of the first 7 is 25 and that of last 7 is 30. What is the maximum range W of the 10 numbers?

 Option A: 25

 Option B: 27

 Option C: 30

 Option D: 52

 Option E: 55
Output (English): Option D