Which of the Following Lists the Three Main Methods of Administering

Which of the following lists the three main methods of administering survey questionnaires to a sample of respondents?

A) self-administered questionnaires, telephone interviews, and mail surveys
B) face-to-face interviews, CATI surveys, and telephone surveys
C) face-to-face interviews, telephone interviews, and electronic surveys
D) telephone interviews, electronic surveys, and self-administered questionnaires
E) face-to-face interviews, self-administered questionnaires, and telephone surveys