The foci of an ellipse are located at (4,-3) and (4,7). The major axis has a length of 16 units. Which of the following is an equation of the ellipse?
A. (x-4)²/64 + (y-2)²/39 = 1
B. (x-4)²/64 + (y-2)²/89 = 1
C. (x-4)²/89 + (y-2)²/64 = 1
D. (x-4)²/39 + (y-2)²/64 = 1