Japan launched World’s First Dual-Mode Vehicle

Current Context: Japan has launched the world’s first dual-mode vehicle (DMV).

• It looks like a minibus. It was launched in Japan’s town of Kaiyo.
• It runs on normal rubber tyres on the road but its steel wheels which are in its underbelly, descend when it hits the rail tracks.
• It carries 21 passengers and has a speed of 60km/h on rail tracks and 100km/h on public roads.
• It is powered by diesel.
• Static Part: 
• Capital of Japan: Tokyo
• Currency of Japan: Japanese Yen

Question: 

Q.1 Which country launched the world’s first dual-mode vehicle?
a. Japan
b. China
c. Australia
d. Russia