Participants in the Following Surveys Are Guaranteed That Their Answers

Multiple Choice

Participants in the following surveys are guaranteed that their answers will remain confidential and anonymous.In which case are survey respondents least likely to shade the truth?

A) A survey regarding personal displays of racial prejudice
B) A survey regarding sexual infidelity
C) A survey regarding preferences as to online news sources
D) A survey regarding the purchase,sale,or use of illegal drugs