In Severe Economic Downturns,such as the Great Depression and the Current

In severe economic downturns,such as the Great Depression and the current recession,

A) pockets of worker shortages exist for certain types of workers.
B) worker shortages exist, but only in areas with scarce, high-level skills.
C) employers have little concern about retention of employees, because employee have few employment options.
D) talent surpluses exist across industries and regions.