27. After being released from a brief hospitalization for minor surgery, 70-year-old Mrs. Ben seemed distractible and disoriented. She did not even recognize her husband when he came to pick her up from the hospital. After they returned home, they discussed their plans for the weekend and Mrs. Ben seemed fine, but as night came on, she could not sleep and began accusing Mr. Ben of throwing away her belongings while she was away. Which of the following disorders best fits Mrs. Ben's symptoms? (A) delusional (paranoid) disorder (B) early dementia, probably Alzheimer’s disease (C) delirium (D) depression