In the diagram, C and D are located such that
is divided into three equal parts. What are the coordinates of C and D?

A.
C(1, 3), D(3, 1)

B.
C(-3, 0), D(3, -6)

C.
C(0, 3), D(3, 0)

D.
C(-1.5, 3), D(1.5, 0)