Shortly After Mary and Robert Were Married,he Became Somewhat Aggressive

Shortly after Mary and Robert were married,he became somewhat aggressive to other men who showed an interest in his wife,and made claims like,"Anyone who lays a hand on my woman has to go through me first." Such claims and aggression are explained by evolutionary theory as

A) displays of dominance.
B) acts of power.
C) domestic violence.
D) aggressive jealousy.