Juanita is cutting a piece of construction paper in the shape of a parallelogram. Two opposite sides of the parallelogram have lengths (5n − 6) cm and (3n − 2) cm. The third side measures (2n + 3) cm. What are the lengths of two adjacent sides of the parallelogram?

A)2 cm and 2 cm
B)4 cm and 7 cm
C)7 cm and 9 cm
D)13 cm and 19 cm