Rectangle ABCD is congruent to rectangle A"B"C"D".
Which sequence of transformations could have been used to transform rectangle ABCD to produce rectangle A"B"C"D"?
A. Rectangle ABCD was rotated 90° clockwise around the origin and then translated 7 units left.
B. Rectangle ABCD was rotated 90°counterclockwise around the origin and then reflected across the x-axis.
C. Rectangle ABCD was rotated 90° counterclockwise around the origin and then translated 8 units down.
D. Rectangle ABCD was rotated 90° clockwise around the origin and then reflected across the y-axis.