Which of These Statements About Interventions Is True

Which of these statements about interventions is true?

A) It is helpful to use one type of intervention with most clients.
B) During the course of an individual's therapy, different interventions may be needed at different times.
C) It is best to require clients to adapt to your approach to counselling and the interventions that you are skilled at using.
D) You should only use counselling interventions when you are certified or licensed.