whAt is thE BEst titlE For thE pAssAgE
A．oil rEFining: A historiCAl pErspECtivE
B．thE CAliForniA golD rush: gEt riCh quiCkly
C．privAtE propErty: trEspAssErs will BE prosECutED
D．kErosEnE lAmps: A light in thE tunnEl