Sarah Has a Master's Degree in Disaster Relief but Hasn't

Sarah has a master's degree in disaster relief but hasn't found work in her field.In the last year,she worked as an Uber driver for several months,then sold honey at a farmer's market,and then found three months' work on a temporary contract with a local publishing company.Sarah is not working full-time in her field; rather,she is underemployed in the:

A) feudal economy.
B) postindustrial alienation economy.
C) gig economy.
D) productivity enhancing sphere.