An economics teacher said that the price elasticity of demand for Leon's albums is almost zero for hs fans.This implies that______.
A. there are few substitutes for Leon's albums for his friend
B. a reductiom in the supply of Leon's albums will lead to only a increase in price
C. the gov't should impose a tax on the sale of
D. Leon's fans are so wealthy that their expenditure on his albums takes up a small proportion of their total expenditure