In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives._x005F_x000D_  _x005F_x000D_ Cyber security has ________________interesting parallel to terrorism. _________________ are asymmetric. Ensuring security of data, information, and communication is considerably harder than hacking into a system. The attacker has an inherent ________________ in both conventional terrorism and cyber attacks. In the case _________________ state­sponsored attacks, the challenges are of a much ________________ magnitude._x005F_x000D_  _x005F_x000D_ Cyber security has ________________interesting parallel to terrorism._x005F_x000D_

• A. a
• B. an
• C. the
• D. two