The denouement, catastrophe, or conclusion.
True, Airstrip One (London) is a city that is a dystopia because the city itself is in ruin and the government is totalitarian.
Answer:
The correct answer is C.
Explanation:
Answers A and B are too extreme; something which is troubling is only uncomfortable. Answer D is incorrect, because his recent (real) troubles probably did not involve him turning into a creature. Therefore, the correct answer must be C.