33. What is the main idea of the passage?
(A) MST can help parents keep their children at home.
(B) MST is an effective alternative to psychiatric hospitalization.
(C) MST can help young person who committed a serious crime and has been put behind bars.
(D) MST can effectively help high-risk young people modify their conduct or emotional problems by providing therapy in their most comfortable place.

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統計: A(4), B(17), C(24), D(109), E(0) #2543616