Consultant: Advertising in videos purchased for download has shown promise as a way to activate consumers with a specific product message. Because the long-term impact on brand perception have yet not been shown; however, I do not recommend its use at this time.
Client: Your position is inconsistent with your usual practice. You suggest many forms of advertising that are known to have a potential negative brand impact, so concern about long-term brand impact cannot be the real reason you will not recommend this form of advertising.
The client's argument is flawed because it fails to consider that
【选项】
it is possible that the consultant does not believe that advertisements in downloaded videos have been conclusively shown to be effective
选项是否正确？