An older patient is admitted to the hospital with a urinary infection and possible bacterial sepsis. The family is concerned because the patient is confused and not able to carry on a conversation. Which statement by the nurse is most appropriate?A.) "Depression is a common cause of confusion in older adults in the hospital."B.) "It is normal for an older person to have cognitive problems while in the hospital."C.) "The mental changes are most likely caused by the infection and most often reversible."D.) "Drug therapy with antipsychotic agents is indicated to slow the progression of dementia."