You could put they were really confident
Explanation:
I would like to tell you about Tokyo, the city I want to live in the most in the future. It is the capital city of Japan and is the most populous metropolitan area in the world.
The most important reason I wish to settle down in Tokyo is the co-existence of modern and traditional values. It’s the kind of city where the red gates of a centuries-old Shinto shrine may well be found just next door to a glass skyscraper showcasing the finest 21st century technology. Or where a quiet green lane lined with wooden low-rise houses and an old school tofu shop might sit just a short stroll from a neon-lit square packed with flickering billboards and rainbow-bright street fashion.
It is A because throughout the passage the author is saying how he feels about his traveling.
