One Reason a Researcher Might Become Dissatisfied with the Survey

One reason a researcher might become dissatisfied with the survey method of gathering data is:

A) the potential for errors in questionnaires and interviews.
B) the difficulty involved in defining the key terms used in the survey.
C) the lead time required to get the necessary permits.
D) the need to get responses from everyone who has an opinion on the marketing research topic.
E) none of the above.