If a chord, which is not a tangent, of the parabola $$y^2 = 16 x$$ has the equation $$2x + y = p$$, and midpoint (h, k), then which of the following is(are) possible value(s) of p, h and k?

A

p = −2, h = 2, k = −4

B

p = −1, h = 1, k = −3

C

p = 2, h = 3, k = −4

D

p = 5, h = 4, k = −3