Romans believed that there were three Valentines in the history.

A．He is in charge of the public transportation.
B．He is responsible for the improvement of the water-bus service.
C．He works for a TV station.
D．He is the chairman of a public transportation company.

A．To realize their dreams.
B．To see the architecture and paintings only.
C．To enjoy the unique characteristics of the city.
D．To float on the water.