Answer:
C. They should last 20 to 30 minutes,
Explanation:
I would say A. The three other choices could lead to its start.
People with dementia tend to become aggressive and have catastrophic reactions for a number of things, it could be that they simply may not be feeling well or might be feeling rushed or confused. Many times people with dementia may be unable to recognise their own needs, how to achieve them, or to let other people know what it is that they need. This usually causes them to act in ways that others might find challenging, including aggressively.
washing your hands................................
