The Figure Shows a Rectangular Brass Plate at 0 $\degree$ C in Which There Is Cut a Rectangular Hole of C

The figure shows a rectangular brass plate at 0 $\degree$ C in which there is cut a rectangular hole of dimensions indicated.If the temperature of the plate is raised to 150 $\degree$ C:

A) x will increase and y will decrease
B) both x and y will decrease
C) x will decrease and y will increase
D) both x and y will increase
E) the changes in x and y depend on the dimension z