Opposition parties have filed a motion in the upper house of parliament against alleged human rights abuses and retaliation by the ___ , the country's top graft buster.

(A) FBR
(B) FIA
(C) NAB
(D) None of the above

Opposition parties have filed a motion in the upper house of parliament against alleged human rights abuses and retaliation by the ___ , the country’s top graft buster.