Geometry:

Given a triangle G(-4,8) H(-3,5) and i(2,4). Which of the following transformations produced a congruent triangle?

A. (x,y) -> (2x,2y)

B. (x,y) -> (x+7,y-13)

C.(x,y) -> (-y,x)

D.(x,y) -> (5x,3y)