10.单选题-|||-。已知 (A)=P(B)=P(C)=dfrac (1)(4) :(AB)=0, (AC)=P(BC)=dfrac (1)(16) ,则-|||-(overline (A)overline (B)C)=()-|||-A ((dfrac {3)(4))}^3-|||-B dfrac (5)(8)-|||-C l dfrac (1)(4)-|||-D) dfrac (3)(8)