Answer:
a. post-traumatic stress disorder symptoms
Step-by-step explanation:
Post-traumatic stress disorder symptoms -
It is the medical case , which occurs due to going through some terrifying activity , or experiencing it , is referred to as post-traumatic stress disorder symptoms.
People suffering from this condition , continuously get back the memories and thoughts of the terror , due to which the people gets extreme tension , anxiety , nightmares and flashbacks , which make the life of person very difficult.
Hence, from the question,
Delilah is going through the stage of post-traumatic stress disorder symptoms .