Task: Question Answering
Input (English): Question: If the productivity of a brigade grows by 20% when the number of the workers in the brigade is increased by one, then which of the following is closest to the ratio of the productivity of a 12-person brigade to that of a 10-person brigade?

 Option A: 0.21

 Option B: 0.82

 Option C: 1.31

 Option D: 1.21

 Option E: 1.44
Output (English): Option C