Japan's Remarkable Economic Growth in the Twentieth Century Was a Result

Japan's remarkable economic growth in the twentieth century was a result of _____

A) heavy imports of primary products from South Asian countries.
B) a growth in education, leading to a ready acceptance of technology.
C) a rise in the price of oil, as Japan is an oil-rich country.
D) the migration of workers from Japan.
E) an increase in employment in the agricultural sector.