What Does It Mean to Say That Someone Has a Prima

Multiple Choice

What does it mean to say that someone has a prima facie obligation to perform a certain action?

A) That although it appears that the person has an obligation to perform the action, that appearance might be mistaken.
B) That the person has a genuine obligation to perform that action, but the obligation could be overridden by another obligation if the other obligation is more important in this case.
C) That the person's obligation to perform the action derives ultimately from the primary obligation to treat people with respect.
D) That the person has an obligation that cannot be reduced to any other obligation.