What special act does Dunny perform that results in him receiving a V.C.?

Dunny's receipt of the Victoria Cross (V.C.) in "Fifth Business" comes as a result of a heroic act of bravery. This prestigious military honor is awarded for acts of valor in the face of the enemy, and Dunny's actions exemplify this spirit of courage. Specifically, he finds himself in a situation where he is confronted with danger and must act decisively to protect the lives of others, showcasing not just physical bravery but also moral strength.

While the other options may represent various forms of courageous acts within a military context, it is Dunny's overarching heroic demeanor in the face of peril that aligns with the true essence of the V.C. and why his actions are celebrated in that manner. His story is tied to themes of self-sacrifice and the moral complexities of heroism, which the narrative explores deeply, further enhancing the significance of his award.