Complex sentence: As Audrina listens to her father's tale, she remembers seeing Arden there and realizes he witnessed the rape but ran away in the face of Audrina's older and stronger assailants, meaning he also knew who she really was all these years but kept the secret.
Split into simpler sentences: As Audrina listens to her father's tale she remembers seeing Arden there and realizes he witnessed the rape but ran away in the face of Audrina's older and stronger assailants. This means that he also knew who she really was all these years but kept the secret.