A Spectrum of Colors Seen in Gasoline on a Wet

A spectrum of colors seen in gasoline on a wet street is primarily a result of

A) interference,
B) polarization,
C) refraction,
D) scattering,
E) diffraction,
Where
F) the light reaching the eye is polarized by double reflection.
G) only the higher frequencies of light resonate with the gasoline and H₂O molecules.
H) the thin film of gasoline spreads the light out into its component colors.
I) light reflecting from the gasoline surface interferes with light reflecting from the water surface.