Answer:
B) dissociative identity disorder.
Step-by-step explanation:
Dissociative identity disorder: The term dissociative identity disorder is also referred with the term DID, and multiple personality disorder or MPD.
The DID is considered to be a mental disorder that is distinguished by at least two or more relatively enduring and distinct personality states or types. The disorder comes along with memory gaps that can be explained in terms of ordinary forgetfulness.
Generally, it involves problems like identity, behavior, memory, emotion, and sense of self.
Symptoms: Substance abuse, depression, anxiety, and eating disorders.
In the question above, the psychologist suspects that Nora's symptoms are characteristic of dissociative identity disorder.