Which question is biased?
A. Do you prefer history class or geography class?
B. Don’t you think Latin class is a waste of time?
C. Do you think the math test was easy or difficult?
D. Did you study last night?
B. Don't you think Latin class is a waste of time? because the person who is asking the question has bias against Latin class, or they would've said 'Do you' instead of 'Don't you' I'm 75% sure..