Final answer:
Mr. Pirzada uses his pocket watch as a bookmark, which is a distinctive and unusual habit that can offer insights into his character within the literary context.
Step-by-step explanation:
The unusual, insignificant thing about how Mr. Pirzada uses his pocket watch is option b) He uses it as a bookmark. This detail might seem minor, but it can reflect deeper aspects of his character, such as being methodical or treating time with a sense of care. In many literary works, these small quirks can provide a window into a character's personality or the author's intention in crafting their story.
The unusual, insignificant thing about how Mr. Pirzada uses his pocket watch is that he uses it as a bookmark. In the short story 'When Mr. Pirzada Came to Dine' by Jhumpa Lahiri, Mr. Pirzada carries a pocket watch that he received as a gift from his wife. However, instead of using it to check the time, he uses it to mark the page in his book where he left off reading.