A megalopolis is B. a series of almost continuous metropolitan centers with urban functions that exchange flows of people and goods with the surrounding areas and the rest of the world. An example is the Tokkaido Megalopolis in Japan.
Remove the y and replace the y with an I
The superpower that I would choose would be to control minds, or preferably read them. I would choose this because it gives me strength and power over people, as I could predict their plans before they happen.