Answer:
A) will osten started to be concerned about the alleged plot to take over the ship
Personally, I would say that "The city is so big" best captures life in the city, because it describes how busy the city is, and how everything happens so fast it just rushes by. It explains that even people get lost in the wonder and chaos of the city, disappearing into life.
Difficult—> complex
Think—> realize
Big—> prominent
Make—> manufacture
