Of the options listed, which one is most likely to violate Market Manipulation (Standard IIB)

a Including a graph showing the Fed's discount rates over the previous 12 months in a report that goes to clients.

b Using excerpts from a report prepared by a well known outside research firm without acknowledgement.

c Attributing research to "investment experts."

d Reporting statistics prepared by an outside firm, identifying the source but omitting caveats and qualifying statements.