Which of the Following Is TRUE

Which of the following is TRUE?

A) In the randomized response model,the interviewer must know which question is being answered to determine how many people answered the sensitive question in the affirmative.
B) Behavior can be linked to demographic characteristics when using the randomized response model.
C) Recall loss is a term used to describe the situation in which respondents,for whatever reasons,forget important events that have occurred recently.
D) Generally speaking,the more a respondent has to work to provide an answer to a researcher's question,the higher the quality of the answer.
E) All of these are false.