Aviation and Airport Security Practice Test.

The hijacking of Trans World Airlines Flight 847 in 1985 was extensively investigated and it was concluded that the group responsible for this act was Hezbollah. Al-Qaeda, Islamic State, and the Taliban were not yet formed in 1985 and were not responsible for this specific incident. Furthermore, Al-Qaeda and the Taliban were based in Afghanistan, while Hezbollah is based in Lebanon and has a long history of terrorist activities. Therefore, A Hezbollah is the most accurate and supported answer choice for this question.