Constant Media Coverage Following 9/11 Led Many to Form False

Constant media coverage following 9/11 led many to form false memories about witnessing the events. People likely relied on multiple heuristics to form the memories. Why is this possible

A) Heuristics are typically extremely inaccurate.
B) Heuristics can act in parallel.
C) Heuristics usually affect different parts of the brain in different ways.
D) Heuristics associated with traumatic events are more likely to cause errors.