A Headline Reads "Gasoline Prices Are Higher

A headline reads "Gasoline Prices Are Higher." A likely explanation for this event would be a(n) :

A) increase in the demand for and the supply of gasoline.
B) decrease in the demand for and the supply of gasoline.
C) increase in the supply of gasoline and a decrease in the demand for gasoline.
D) decrease in the supply of gasoline and an increase in the demand for gasoline.