Why Was Jealousy Provoked in the Iranian People, Despite the Booming

Why was jealousy provoked in the Iranian people, despite the booming economy of the early to mid-1970s?

A) Economic growth was only rapid for the working class and poor people, and was lacking for the wealthy.
B) No one who wasn't already rich became rich, igniting the emotions of all the other classes of society
C) Economic growth was relatively even, and previously working class or poor people felt themselves empowered enough to engage the grudge they had from previously being underserved
D) Economic growth was uneven, with some getting rich fast, and others benefitting little to not at all.