Final answer:
Option c) 'I have a reputation for exaggerating events to make them more interesting.' best supports the idea that the narrator of the story is unreliable.
Step-by-step explanation:
Out of the given quotes, the one that best supports the idea that the narrator of the story is unreliable is option c) 'I have a reputation for exaggerating events to make them more interesting.' This quote indicates that the narrator admits to manipulating the events to make them more entertaining, which undermines their credibility as a reliable source of information.