If you want to have your hair cut, you can go to the ______.

A．Tokyo is a city rich in land resources.
B．Underground projects will develop further in the future.
C．Underground projects are constructed for moles.
D．When there is an earthquake, it' s safer to stay on the surface.

A．Because he wanted his people to cram into seacoast cities.
B．Because the new capital city was more prosperous.
C．Because it was a large city with large population.
D．Because he thought it necessary to develop inland cities.