What General Conclusion Can We Draw About Our Memory Accuracy

What general conclusion can we draw about our memory accuracy for important events in our lives ("flashbulb memories") ?

A) For these events, our memories are so accurate that the name "flashbulb memory" is appropriate.
B) For a disastrous event, people who live far away from the event are actually somewhat more likely than others to develop an accurate "flashbulb memory."
C) These "flashbulb memories" can be explained by ordinary mechanisms, such as rehearsal frequency.
D) Surprisingly, these "flashbulb memories" become even more accurate as time passes since the original event.