A. total supply by OPEC members
B. total demand for and supply of crude oil
C. excess crude oil produced in the world
D. difference between the supply of and demand for oil
Correct Answer: Option B
A. total supply by OPEC members
B. total demand for and supply of crude oil
C. excess crude oil produced in the world
D. difference between the supply of and demand for oil
Correct Answer: Option B
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