Which of the following equations represents a parabola with a horizontal axis of symmetry, vertex at (-6,11) , and p=5 ?

A. (x-11)² = 20 (y≥ 6)
B. (x+11)² = -20 (y-6)
C. (y-11)² = 20 (x+6)
D. (y+11)² = -20 (x-6)