Which of the following is more likely to be the source for problems in this survey?A.This survey is tilted in favor of local alcohol distributors, who have a conflict of interest with online sellers.B.The data collection and analysis are not scientific and logical.C.Subjects are not sampled in a right way and can not represent the whole American teenage population.D.The survey results are affected by gifts to subjects, which can be misleading.
A.This
B.
B.The
C.
C.Subjects
D.
D.The
E.