Which is not one of the potential problems of the National Incident-Based Reporting System (NIBRS)? ...

Which is not one of the potential problems of the National Incident-Based Reporting System (NIBRS)?
 
  A) Overreporting due to victims' misinterpretation of events.
  B) Underreporting due to the embarrassment of reporting crime to interviewers, fear of getting in trouble, or simply forgetting an incident.
  C) Inability to record the personal criminal activity of those victims interviewed, such as drug use or gambling.
  D) Question format that often validates responses.
  E) Sampling errors, which may produce a group of respondents who do not represent the nation as a whole.