Answer:
A is located at (4,1)
Explanation:
(4,1) basically means that x is 4 and y is 1. Is you see A, its on the 4 of x and 1 on y. The other ones are not (4,1) because if you see C, C is 1 on the x and 4 on the y which is incorrect.
Hope this helps and good luck!