Between July, 2008 and January, 2009, U

Between July, 2008 and January, 2009, U.S. gasoline prices fell from

A) $6.50 per gallon to $5.00 per gallon.
B) $4.00 per gallon to $1.30 per gallon.
C) $4.00 per gallon to $2.00 per gallon.
D) $3.20 per gallon to $1.65 per gallon.