Final answer:
The best event demonstrating the theme of past experiences shaping our present is when Granny recalls being left at the altar. This past significant event has a lasting impact in her present life.
Step-by-step explanation:
The event from 'the Jilting of Granny Weatherall' that best shows the theme 'Our significant past experiences shape our present no matter how hard we try to bury them' is when Granny thinks about being left behind at the altar. This painful remembrance clearly demonstrates how Granny's past has continued to affect her. It represents a significant emotional trauma and leaves a lasting impact that shapes her present actions and feelings. Her recollection of this event, even as she is on her death bed, clearly portrays how deeply the past has left its marks, irrespective of how hard she tries to forget.
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