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 reflected across the y-axis and then across the x-axis.
B) Rectangle ABCD was translated 8 units left and then 7 units down.
C) Rectangle ABCD was rotated 180° around the origin and then translated 7 units down.
D) Rectangle ABCD was translated 2 units left and then 3 units down.