Which of These Statements Is Correct

Which of these statements is correct?

A) The Air India and Lockerbie tragedies are examples of hijacking that show what can happen when the pilots refuse to comply with an order
B) ICAO's 1980 Extraordinary Session created Annex 17, which requires States to create a Civil Aviation Security Programme
C) Hijacking was a relatively minor problem until events of the 1990s caused it to become a major issue in the spotlight
D) Original anti-hijacking strategies were developed in response to an increase in hijacking events in the 1960s and 1970s
E) None of these are correct