After Being Passed Up for a Promotion and Then Getting

Multiple Choice

After being passed up for a promotion and then getting into a heated argument with his son, a man disappears. He shows up two weeks later in another town with no memory of who he is or how he got there. He appears to be suffering from __________

A) paraphilia.
B) schizophrenia.
C) a somatoform disorder.
D) a dissociative disorder.