Which of the following antitrust enforcement actions would have the greatest likelihood of being undertaken and led by the U.S. Department of Justice Antitrust Division rather than the Federal Trade Commission?
A. Alleging that rivals have colluded to fix prices and suppress competition in markets for online search/advertising services.
B. Challenging certain types of business practices that violate antitrust statutes.
C. Transforming monopolized markets into benign competitive structures.
D. Preventing mergers that would have anticompetitive impacts.
E. DOJ would neither take the lead nor play a significant role in any of the enforcement actions described in parts A thru D.