（售前售后联系微信号:newbalance533 禁止商业传播.否则停止更新）What role does the U.S. Constitution play in the area of workplace privacy?

AIt provides enforcement resources to large employers, but not to small businesses

BIt provides legal precedent for physical information security, but not for electronic security

CIt provides contractual protections to members of labor unions, but not to employees at will

DIt provides significant protections to federal and state governments, but not to private-sector employment