What was the original primary use of drilled oil ?

Answer:
D is correct.
Explanation:
In 1859, Edwin Drake dug what is considered the first oil well in Titusville, Penn. During that period, oil was used primarily to make kerosene for lighting purposes.
kerosene:
a light fuel oil obtained by distilling petroleum, used especially in jet engines and domestic heaters and lamps and as a cleaning solvent.