Task: Question Answering
Input (English): Question: If nn is a positive integer and (n+1)(n+3)(n+1)(n+3) is odd, then (n+2)(n+4)(n+2)(n+4) must be a multiple of which one of the following?

 Option A: 2

 Option B: 4

 Option C: 5

 Option D: 8

 Option E: 9
Output (English): Option D