Final answer:
The rewrite of the underlined portion that most clearly uses a magical realist tone is option C: 'I was in the park walking my dog, just another mundane day when all of a sudden Sam stood up on his hind legs and said, 'I want to thank you for taking good care of me.' I just about lost my mind. A talking dog.'
Step-by-step explanation:
The rewrite of the underlined portion of the passage that most clearly uses a magical realist tone is option C: 'I was in the park walking my dog, just another mundane day when all of a sudden Sam stood up on his hind legs and said, 'I want to thank you for taking good care of me.' I just about lost my mind. A talking dog.'
This rewrite uses language that highlights the ordinary and mundane nature of the day, which is a characteristic of magical realism. It also presents the talking dog as something unexpected and surreal.