Concept:Full employment means all persons who are able, willing, and available to work can find employment, though temporary frictional unemployment may still exist.
Explanation:Full employment does not mean that every single adult is employed.
It includes only those who are able to work, willing to work, and actively seeking work.
Those who are physically disabled or unable to work are not counted as unemployed.
So the best meaning is that all those who are able and eligible can find employment.
Answer:D. All those who are able and eligible can find employment