Final answer:
Antonio's physically intimidating behavior during a disagreement aligns with annihilatory conflict, marking a severe and potentially harmful level of workplace conflict.
Step-by-step explanation:
When Antonio gets into a disagreement with co-workers and uses physical gestures and pushing to intimidate them, his behavior on the conflict intensity continuum would be closest to C) Annihilatory conflict. The continuum includes different levels of conflict intensity, from mild, functional disagreements to destructive and harmful interactions like annihilatory conflict. Antonio's aggressive and physically intimidating behavior moves the altercation towards annihilatory conflict as it involves threatening acts that could potentially lead to harm or pain, signaling deep-seated anger and hostility rather than a constructive attempt to resolve workplace disputes or differences in opinion.