Mason claims that he can cut a parallelogram into two right scalene triangles. Which diagram best supports his claim?

A.
Parallelogram with a diagonal splitting the figure in half.
B.
Rectangle with a diagonal splitting the figure in half.
C.
Square with a diagonal splitting the figure in half.
D.
Parallelogram with a diagonal splitting the figure in half.

D. Parallelogram with a diagonal splitting the figure in half.