
Passage: The raw materials of cement are very cheap, such as limestone and soil that can be found everywhere can be used as raw materials for cement. But the price of cement will be affected by the price of oil, because it consumes a lot of energy to change raw materials into cement in high-temperature furnaces.
Question: Based on the above judgment, which of the following options is most likely to come to a conclusion?
A. A.Petroleum is one of the raw materials contained in cement
B. B.Petroleum is the energy source of some high temperature furnaces for making cement
C. C.The price of cement falls with the rise of oil prices
D. D.The higher the price of cement, the higher the price of limestone
Answer: