Which of the Following Statements Is TRUE

Multiple Choice

Which of the following statements is TRUE?

A) When the price of oil is high, consumers will use oil for both valuable and less valuable uses.
B) When the price of oil is low, consumers will use oil only for its most valuable uses.
C) When the price of oil rises, consumers tend to use oil for uses in which there are few substitutes for it.
D) When the price of oil falls, consumers start to conserve oil and only use it when there are no other options.