The Presence of Delirium in a Patient After Surgery or Other

The presence of delirium in a patient after surgery or other health problems

A) is a sign that the patient is getting better.
B) means the patient is going to develop additional health problems and almost certainly is going to die.
C) means that the patient will develop dementia within a year of having delirium.
D) means the patient will probably be in the hospital longer, have more health problems and an increased risk of death.