Which of the Following Was an Effect of the Song

Multiple Choice

Which of the following was an effect of the Song economy's rapid expansion?

A) The production of food could not keep up with the increased demand in urban centers.
B) The supply of metal currency could not meet the demand for it,leading to the creation of paper money.
C) The demand for Song porcelain went down because production expanded too rapidly and quality was sacrificed.
D) The government was unable to control the deflation that followed the sudden economic growth.