Besides Being an Attempted Attack on U

Besides being an attempted attack on U.S.soil,the failed underwear bombing upset Americans because

A) the Bush administration did not focus on Nigeria in the war on terror.
B) President Barack Obama never addressed the issue.
C) the would-be attacker was praised by the Iraqi government.
D) despite being warned repeatedly about extremist tendencies of the individual, the government failed to put him on a no-fly list.
E) Umar Farouk Abdulmutallab was able to go through security under an assumed name and did not get caught until it was too late.