As suggested by Pine & Gilmore, the $\_\_\_\_\_$ economy is the fourth and most recent of the stages of economic history, with the others being, in order from the first: $\_\_\_\_\_,\_\_\_\_\_,$ and $\_\_\_\_\_.$

a$.$

agrarian; industrial; service; experience

b$.$

experience; agrarian; industrial; service

c$.$

experience; industrial; agrarian; service

d$.$

service; agrarian; industrial; experience

e$.$

experience; agrarian; service; industrial