The increase in the price of jet fuel is due to a sharp decrease over the past year in the supply of jet fuel availab...

Sangwook on June 18, 2014

Question type

Is this a "must be true" question? Thanks,


Melody on June 25, 2014

Yes. This is a Must Be True question. Great work! The correct answer will be 100% supported by the passage.

Let us know if you have any other questions.

Sangwook on July 2, 2014


Joseph on April 14, 2016

Hi, I am having trouble understanding why "A" is the correct answer to this question. Could anyone help me understand why?

Mallory on September 25, 2017

I am also having trouble reaching "A" as the correct answer. Could you walk through the explanation?