The Citizens of Nimbi Were Actively Involved in Environmental Movements

The citizens of Nimbi were actively involved in environmental movements throughout the decade in which the country was recording ever-increasing levels of economic growth.Then a recession hit,and their interest and participation severely declined.What reason could be given to account for this?

A) They were bridging the difference between dominant and alternative environmental outlooks.
B) They realized the wisdom of future discounting.
C) They were following the logic of economic contingency.
D) They considered themselves trapped in a high-carbon society.