I think it’s A because they both express them selfs
the audience rather than a character alone
In the sentence, "Well, that concludes another very fine experiment", the interjection word would be Well because it shows their expression/feelings as they say it. It could be like, "Oh well" type of way of saying it, or "well this has been fun" type of way.
I know this because interjection is a word that expresses emotion or feelings and is mostly/usually used in the beginning of a sentence.
You're welcome in advanced! I truly hope this helped!
P.S. I put this in my own words.
Answer:
Chinese:
我以為你忘了我，但最後我還愛你是事實，你覺得這樣想還是真的嗎？
Korean:
잊었다고 생각했는데 결국 아직도 널 사랑하는게 사실이야 이런 생각을 하는 게 아직도 사실일까
Explanation:
