Task: Question Answering
Input (English): Question: The value of 1/(1-x) + 1/ (1+x) + 2/(1+x^2) + 4/(1+x^4)

 Option A: 8/(1-x^8

 Option B: 4x/(1+x^2

 Option C: 4/(1-x^6

 Option D: 4/(1+x^4

 Option E: 4x/(1-x^4
Output (English): Option A