A ladder leans against a wall, forming a right triangle. If the top of the ladder slides down a little from its original resting place, making the bottom of the ladder slide out and away from the wall, is the new triangle congruent to the one before?

A. No, because the angle formed by the ladder changed
B. Yes, because the ladder was translated
C. Yes, because the ladder was rotated
D. No, because the length of the ladder changed