According to Paul Baltes and His Colleagues, Which of the Following

According to Paul Baltes and his colleagues, which of the following is an effective optimization strategy?

A) To reach a particular goal, you may need to abandon other goals.
B) Persevere and keep trying until you reach your goal.
C) When things do not go as well as in the past, keep trying other ways until you can achieve results that are similar to what you accomplished earlier in your life.
D) Think about what you want in life and commit yourself to one or two major goals.