Task: Question Answering
Input (English): Question: Average age of 9 members of a club is 29 years. If 2 more persons with the average age of 40 years have become the members of the club, find average age of all the 11 members.

 Option A: 15

 Option B: 31

 Option C: 77

 Option D: 99

 Option E: 22
Output (English): Option B