In the figure, ABCD is a parallelogram. The measures of the angles $$x$$, $$y$$ and $$z$$ are
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A

$$x = 70^\circ, y = 40^\circ, z = 30^\circ$$

B

$$x = 110^\circ, y = 40^\circ, z = 30^\circ$$

C

$$x = 90^\circ, y = 20^\circ, z = 70^\circ$$

D

$$x = 100^\circ, y = 50^\circ, z = 30^\circ$$