If you want a good story that people would enjoy, dialogue should be like a real conversation.
'Finally' is the answer the others don't make sense if you try to read them with the rest of the sentence.
Answer: B is your answer.. I know it can never be the last two.
A “thwop” is supposedly the sound when you serve mashed potatoes, like when you throw it off your spoon. So, you can word it as a serving of mashed potatoes or the sound of serving mashed potatoes.
