According to the article, how do French fries indicate economic conditions
A.The more prosperous a country’s economy is, the more luxurious the fast foods become.
B.The richer a country’s residents are, the more the can afford to consume French fries.
C.The poorer a country’s economic condition is, its residents are less likely to eat French fries.
D.People tend to consume more fast foods when they are not able to afford rice and egg dishes.