tpo4里一道阅读题求解

水果的夏天UID: 3022981

4．Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.
○Higher temperatures and pressures promote sedimentation, which is responsible for petroleum formation.
○Deposits of sediments on top of organic matter increase the temperature of and pressure on the matter.
○Increase pressure and heat from the weight of the sediment turn the organic remains into petroleum.
○The remains of microscopic organisms transform into petroleum once they are buried under mud.
Paragraph为什么不选B啊，B到底哪错了啊？谢谢

yu1jia5UID: 3047244

这一句重点在which convert the organic matter to oil and gas，B压根儿就没提到