The son of a client with early Alzheimer's disease states, "I'm so tired of hearing Dad talk about the past all the time. " What is the nurse's best response? A. "You should have more patience with your father and accepting of his disease. " B. "He is quite anxious at this stage. Reliving the past helps him become calm again. " C. "He has lost his short-term memory but can still remember events from long ago. " D. "Just remind him when he repeats himself and that will reinforce better behavior. "