Which statement is an example of the reflexive property of congruence?

A. If A EFG = AHJK, and AHJK - AMNP, then AEFG - AMNP.

B. If AEFG = AHJK, then AHJK = AMNP.

C. EFG = AEFG

D. If A EFG = AHJK, then AHJK = AEFG.