Analyze the diagram below and answer the question that follows. is a rectangle. Why is ? Explain your reasoning. A. 1) , reflexive property of congruence 2) , opposite sides of a rectangle are congruent 3) by the AAS theorem B. 1) , reflexive property of congruence 2) , opposite sides of a rectangle are congruent 3) and are right triangles, because all angles in a rectangle are right angles 4) by the HL theorem C. 1) , reflexive property of congruence 2) , opposite sides of a rectangle are congruent D. not enough information Please select the best answer from the choices provided