The correct answers are: B) the dystopian world that Gregor enters as an insect, and C) Gregor's sudden transformation into a giant insect.
A Kafkaesque situation is a nightmarish one, and also strongly surreal, so in that sense, the options that relate the most to said expression are the ones that have to do with dream-like things, like the dystopian world and Gregor becoming an insect.
I believe the answer is D, because the fact that Grete is grateful that she doesn't have to see him implies that she is disgusted by his appearance.
Answer:
I will do some readings in my leisure time.
And I'll write some stories of my own.
And then that's it
This is what I'll do In my leisure time