The correct answer is D) the Yen.
Japan currency is called the Yen.
Although it lost most of its value during and after World War II, the currency of Japan was one of the strongest in the world. The Yen is the name of Japan’s currency and is very powerful.
After the American dollar and the Euro, the Japanese Yen is the third most traded currency in the foreign exchange market. After the struggles and consequences of World War II, the Yen suffered heavily as well as the economy of Japan. But Japanese people are a hard-working kind of people that knew how to respond to economic contingencies and nowadays, Japan is considered a powerful nation and a technologically innovative country.