The theme that best expresses the essence of the dialogue and interactions between Allie Mayo and Mrs. Patrick is:
C the struggle to survive.
Throughout the exchange, there is a strong focus on the fight for life in the face of death and the challenges posed by both nature and human experiences. The characters discuss life, death, and the resilience and courage required to endure in a harsh environment, which underscores the central idea of survival amidst adversity.