A．By collecting donations from its believers.
B．By promoting its online religion services.
C．By renting out its church for big ceremonies.
D．By charging travelers money for using its parking spaces.

A．In the basement.
B．On the ground floor.
C．On top floors.
D．In the penthouse.

A．In 236 BC.
B．In the Middle Ages.
C．During World War I.
D．During the Industrial Revolution.