Many Advertisers Oppose the Advertising Substantiation Program of the FTC

Many advertisers oppose the advertising substantiation program of the FTC because:

A) it is very expensive to document all of their claims
B) most consumers would not be interested in the technical information used for substantiation
C) most consumers do not have the knowledge or desire to understand substantiation
D) advertisers may resort to puffery to avoid substantiating claims,which would result in less information for consumers
E) of all of the above reasons