HEL PLEAS The two parallelograms in the sketch below are congruent.

Which sequence exhibits their congruence?
a. A reflection across the y-axis followed by a translation 10 units left
b. A reflection across the x-axis followed by a translation 10 units up
c. A reflection across the y-axis followed by a translation 10 units right
d. A reflection across the x-axis followed by a translation