
Passage: The price of jet fuel has risen sharply since the 1989 Alaska Exxon tanker disaster and the 1991 Middle East war. During the same period, the prices of several oil derivatives also rose sharply. These two facts show that aviation fuel is a derivative of petroleum.
Question: Which of the following statements best evaluates the above argument?
A. A.Good thinking, because jet fuel is a derivative of oil.
B. B.Bad thinking, not stating all the facts precisely.
C. C.Bad thinking, food prices have also risen during the same period, but that doesn't prove that jet fuel is food.
D. D.Bad thinking, given facts about oil derivatives, cannot draw any conclusions about jet fuel.
Answer: