Assuming Gasoline and Oil to Be Complementary Goods, the Effect

Multiple Choice

Assuming gasoline and oil to be complementary goods, the effect on the oil market of an increase in the price of gasoline (other things being equal) would best be described as a(n) :

A) increase in the demand for oil.
B) decrease in the demand for oil.
C) increase in the quantity of oil demanded.
D) increase in the quantity of oil demanded