Which of the Following Statements About Self-Report Surveys to Estimate

Which of the following statements about self-report surveys to estimate the incapacitation effect is true?

A) the study could come up with different counts of how many crimes people commit depending on what offenses are listed
B) the way in which questions are asked has little impact on the survey
C) since surveys are anonymous people are honest in all of their responses
D) surveys can be given to inmates at any time since they remember all of the crimes they have committed