Answer:
Dmitri had tumbled backward into a giant potted plant. I sighed and shook my head. There wasn't enough money in the world to make babysitting the Karamazov ninjas worthwhile.
Step-by-step explanation:
The story is told in the first person. The main character is recounting her/his experience of babysitting for two boys. The best answer choice is "Dmitri had tumbled backward into a giant potted plant. I sighed and shook my head. There wasn't enough money in the world to make babysitting the Karamazov ninjas worthwhile." This paragraph is told in the first person point of view and is consistent with the rest of the passage.