Which of the Following Is Not a Disadvantage of Questionnaires

Multiple Choice

Which of the following is not a disadvantage of questionnaires for data collection?

A) Respondents are all asked the same questions in the same way
B) Questions and responses must be clear since there is no one to explain or clarify if the respondent doesn't understand
C) There is not an opportunity to probe for more information.
D) It is not always possible to verify who filled out the questionnaire