The Drug-Free Workplace Act Requires ____ to Certify That They

The Drug-Free Workplace Act requires ____ to certify that they will provide a "drug-free" workplace.

A) all companies with more than $25,000 worth of business with the federal government
B) all companies with less than $25,000 worth of business with the federal government
C) all companies in the United States
D) all limited liability companies
E) all companies that earn more than $25,000 in a year