Which aspect of his childhood profoundly affects Dunstan's perception of sacrifice?

The incident involving Boy Staunton and Mary Dempster is pivotal in shaping Dunstan's understanding of sacrifice. This moment marks a significant turning point in his life, as it intertwines themes of guilt, responsibility, and the complexity of human relationships. Dunstan witnesses the consequences of the actions taken by those around him, particularly how Boy's betrayal and disdain towards Mary Dempster—who is seen as a 'saintly' figure—lead to tragic outcomes. This not only leaves an indelible mark on Dunstan's psyche but also leads him to contemplate the nature of sacrifice, as he grapples with his own feelings of responsibility towards both Mary and Boy.

Dunstan's perception of sacrifice is inherently connected to his childhood trauma stemming from this incident. It compels him to explore deeper meanings of sacrifice throughout the novel, as he seeks to understand the implications of devotion and the weight of guilt. The nuances of this event force him to reassess notions of worth, both in himself and in the people he's connected to, influencing his character development and philosophical outlook as he matures.

The other options—wealth and privilege, neglect from his parents, and academic achievements—do not serve as the primary catalysts for Dunstan's views