The Case of China Airlines 611 Demonstrates Most Clearly That

The case of China Airlines 611 demonstrates most clearly that:

A) Scheduled maintenance can prevent accidents
B) All aircraft repairs should be examined and approved by certified individuals and examined at regular intervals
C) ICAO is sometimes required to step in as the investigating body in an accident when dictated by difficult international politics
D) Pilot error can lead to devastating consequences, especially when there is a failure in one of the engines of an aircraft
E) Boeing needed to update its structural repair manual to include dealing with metal fatigue