Answer:
d. depersonalization disorder
Explanation:
Let explanation each options in order to have a first hand information about the right answer and what it clearly depicts.
Dissociative amnesia is a psychological disorder that encompasses a state of forgetfulness and incapability to remember vital personal information that is not intentionally lost with ordinary forgetting, Stress or traumatic events are said to be symptoms of it cause.
Dissociative identity disorder is a form of mental disorder which involves nurturing of at least two well defined and definite enduring personality states. It can be caused by sexual or emotional abuse.
Somatoform disorder present itself as a physical symptoms that propose illness or injury which cannot be determined fully by a medical condition.
Depersonalization disorder occurs when an individual consistently have the feeling that he/she is noticing himself/herself from outside their body or having a perception that things around you aren't real, or both. At the stage, such an individual is unable to cope with themselves, their real personal life and various activities they embark unto.
From the aforementioned, it is obvious that Teresa intense and terrifying feeling that made her no longer real and that she is looking at herself and the world from a distance is most likely diagnosis of : depersonalization disorder.