Which of the Following Is True of Respondents' Behavior While

Which of the following is True of respondents' behavior while answering questionnaires?

A) Respondents generally answer the demographic questions early in the survey while they are still "fresh."
B) Respondents prefer questionnaires with questions that flow from demographic data to more general information.
C) With numeric alternatives, respondents tend to select central values.
D) Answers that appear at the beginning or the end of a list are rarely selected by respondents.
E) Respondents typically end answering a questionnaire with a thank-you statement.