ContrAry to populAr BEliEF, thE Author FinDs thAt spying on pEoplE's privACy______.
A．is mAinly CArriED out By mEAns oF sECrEt tAping
B．hAs BEEn intEnsiFiED with thE hElp oF thE irs
C．is prACtiCED ExClusivEly By thE FBi
D．is morE prEvAlEnt in BusinEss CirClEs