1. Which of the following best explains the phrase, "solutions are rarely permanent" as used in the passage ?
(A) Our strategies for overcoming the food shortages in a speci c period have proved to be futile
subsequently.
(B)The current situation has been a rude reminder of our
self-reliance in a speci c period in the matter of food.
(C)The general tendency of people to keep themselves well-fed leads to food in ation.
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