In the Box Describing the Case of the Female Journalist

In the box describing the case of the female journalist who was fired on the basis of a survey, which of the following occurred?

A) the survey was not actually completed; the data were manufactured
B) even though an elaborate (and appropriate) statistical analysis was done, the survey itself was hopelessly biased
C) there was an inappropriate statistical analysis
D) it a well-designed and fair survey, but used a biased sample