Answer: Option (D) is correct.
Step-by-step explanation:
Correct option: Japan exported far more to the U.S. during this period then it imported from the U.S.
The demand for the Japanese goods was higher from the U.S. during that period that's why it exports more rather than imports. Now, for importing goods from Japan, U.S need more Japanese currency as a result demand for yen increases. This means that there is an appreciation of Japan currency .
So, there is an increase in the exchange rate between U.S and Japan during that period. There is an inflow of dollar from U.S to Japan, so the value of dollar reduces in terms of yen.