At thE EnD oF thE pAssAgE thE Author sEEms to imply thAt As A rEsult oF shortEr working timE
A．EmploymEnt mAy not rEtAin its usuAl importAnCE.
B．EmploymEnt mAy not BE rEgArDED As vAliD work.
C．pEoplE CAn BE EngAgED in FAr lEss unpAiD work.
D．pEoplE CAn BE EngAgED in FAr morE unpAiD work.