I would say the introduction. Because those are questions and you answer questions and solve them in the body.
I'm not sure what your options are so heres this. Hope it helps :)
Here is a brief summary:
Arronax is moved by Nemo's fervor as he speaks about the name Avenger. Arronax recognizes that Nemo's presence in the water was caused by "wrath, either hideous or glorious." For the time being, Arronax promises us that he will soon find the source of Nemo's rage, but he is distracted by a faint booming sound. He climbs to the platform, where Ned and Conseil are already standing, and looks out towards the ship Arronax in the distance, which he had seen earlier. The boys notice that it's a battleship, but they can't tell whose nation it belongs to because there isn't a flag visible anywhere.
Answer:
Isolation:
confinement. the action of confining or state of being confined.
desolation.a state of complete emptiness or destruction.
remoteness.the state of being distant from something else, in particular from the main centers of population.
Explanation:
Gregor is like a bug when he is roleplaying with his little sister. He is like a human when he speaks using his mouth.
I think it is A. was waving at the flag. This is just my opinion is I may be wrong. Please feel free to correct me in the comments. Have a nice day!