Who could ride bicycles at that time
（）could ride bicycles.

A．city inhabitants can not take buses in rush hours
B．city inhabitants can not bear the traffic conditions of cities
C．city inhabitants pay more attention to traffic conditions
D．city inhabitants are willing to bear the crowded condition

A．Because Cambridge is as big as a town.
B．Because Cambridge is a real town with a university in it.
C．Because the separating line between the university buildings and the rest of the city is not clear.
D．Because Cambridge’s buildings match well with the rest of the town.