What Does Mill Regard as the Strong Argument Against Public

What does Mill regard as the strong argument against public interference with individual liberty?

A) It is wrong anytime, anywhere for anyone to interfere with the liberty of another.
B) Let each by guided by his own conscience, in thought and deed, for each will have to answer for his own actions and inactions.
C) When the public interferes, the odds are that it interferes wrongly and in the wrong place.
D) The public need not interfere because the individual will always choose the course of action that he deems most worthy.