Which of the Following Questions Potentially Biases the Respondents

Multiple Choice

Which of the following questions potentially biases the respondents?

A) "We are conducting a study concerning the high quality of First National Bank services"
B) "Do you shop at a lower class store like Wal-Mart?"
C) "How satisfied are you with McDonald's food quality and location?"
D) (a) and (b)
E) all of the above