The phrase "hung it" is repeated several times in this passage to emphasize the importance of the event.
Emphasize means giving value to something or stressing a word.
Because The phrase "hang it up" emphasizes the importance of the event. This phrase gives importance to the passage and highlights the details. And this emphasis helped in the flow of the events in the passage.
Hence the correct option is, B. To emphasize the importance of the event
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