To Produce a Commercially Viable Oil Deposit,there Must Be a Source

To produce a commercially viable oil deposit,there must be a source rock,a reservoir rock,a seal rock,and a(n) ________.

A) large fracture connecting the reservoir rock to the surface of the Earth
B) porous filter rock that removes impurities
C) igneous heater rock that heats the oil and gives it buoyancy
D) trap that denies the oil passage to the surface