Which country has introduced the world’s first dual-mode vehicle?

A. U.S.A

B. Japan

C. China

D. None of these

Detail: 

The world's first dual-mode vehicle, that runs on both roads and railway lines has begun service in Japan. Local residents expect that the new service by Asa Coast Railway, which improves accessibility to tourist spots, will attract railway enthusiasts and others to the town. The first buses have been pressed into service in the town of Kaiyo, with the route involving a mix of road and rail, The Japan Times reported. The dual-mode vehicle as it is being called will travel between Tokushima and Kochi prefecture for what looks like a reasonable fare.