Which of the Following About Questionnaire Design Is TRUE

Which of the following about questionnaire design is TRUE?

A) Not including a "no opinion" category may force respondents to take a stand on an issue on which they have no opinion. This can introduce response error.
B) Including an "other" alternative for a multiple-choice question frees the researcher from having to make sure the list of alternatives is exhaustive.
C) Dichotomous questions typically have a "don't know" or "no opinion" category.
D) Dichotomous questions have considerably more advantages than multiple choice questions primarily due to their simplicity.
E) They are all false.