【单选题】______ includes messages directed at retailers, wholesalers, and distributors, as well as industrial purchasers and professional such as lawyers and physicians.
【单选题】By saying 'To justify that headline, the wholesalers' group focused on another part of the survey that asked respondents if they knew a teen who had purchased alcohol online', the author implies that_...
A.
it is absurd to conduct a survey among teenagers
B.
the ways the wholesalers' group conducted surveys are statistically questionable
C.
this kinds of survey is preliminary, therefore undependable
D.
teenagers might not be honest since buying alcohol online is an indecent behavior