In questionnaire design, a question such as $"$Do you like Burger King's hamburgers and fries?"

a$.$ is complex and something respondents may be unfamiliar with.

b$.$ is a question that respondents are reluctant to answer because the information is sensitive$.$

c$.$ is a question that respondents cannot easily or accurately answer.

d$.$ steers respondents to a particular response.

e$.$ asks two questions at once.