Task: Question Answering
Input (English): Question: In a garden, trees are planted in rows. In each row there are as many trees as the number of rows in the garden. If the total number of trees in that garden is n, then :

 Option A: n is a perfect square

 Option B: n is an odd number

 Option C: n is an even number

 Option D: n is a perfect cube.

 Option E: none
Output (English): Option A