Read this statement:

he largely ignores the costs and benefits of food being "fast" yet isn't the speed of fast food one of its greatest virtues?

in "a culinary wasteland" what claim made in fast food nation is crossen refuting with the statement above?

a: the consumption of fast food is one of the biggest causes of diabetes and childhood obesity.
b: people would demand change if they saw what happens behind the scenes of the fast food industry.
c: the quick production of fast food has had a negative effect on the quality and safety of the products.
d: food was much more nutritious before the popularity of fast food than it currently is today.