The passage suggests that the opponents of the abiogenic theory mentioned in the third paragraph would most probably agree with which one of the following statements? A. The formation of oil does not involve the condensation of hydrocarbons released from the earth's mantle. B. Large oil reserves are often found in locations that contain small amounts of organic matter. C. The eruptive processes by which diamonds are brought to the earth's surface are similar to those that aid in the formation of oil. D. Motions of the crustal plates often create the pressure necessary to transform organic matter into oil. E. The largest known oil reserves may have resulted from organic matter combining with heavier hydrocarbons carried by methane gas.