To persuade consumers to buy more of its cameras, the PictureSharp Camera company has launched an advertising campaign in coordination with its dealers to promote the slogan, ’A Picture Is Worth a Million Words." The dealers participating in the program are experiencing very robust sales, but PictureSharp analysts are concerned that the campaign is not successfully meeting its goals. Which of the following, if true, most justifies the concerns of the PictureSharp analysts that the campaign is not successful ？（）
A. The new PictureSharp slogan is a thinly veiled imitation of the better-known saying, "a picture is worth a thousand words."
B. PictureSharp is one of the leading manufacturers of digital cameras, which although generally more expensive than conventional film cameras, are considerably more versatile.
C. Many consumers who saw the commercials in this advertising campaign were concerned that they lacked the artistic skill to create a picture that would actually be worth "a million words."
D. Although almost all PictureSharp camera dealers participated in the advertising campaign by displaying promotional materials in their stores, some of them did not display or distribute all of the marketing materials that PictureSharp sent them.
E. All PictureSharp dealers also sell other brands of cameras, some of which are comparable to PictureSharp cameras in features and quality but significantly lower in price, allowing the dealers to charge a higher markup than for PictureSharp cameras.