Hello! Could you please state the correct answer to this multiple choice problem, as well as explain it? Thanks!

Which are the vertices of an isosceles triangle?

A. G(5, 1), H(-4, 3), I(2, 6)

B. D(2, -6), E(1, -5), F(8, 0)

C. J(0, 4), K(-3, -4), L(1, -5)

D. A(6, 3), B(-2, 4), C(2, 11)