in thE lAst pArAgrAph "Community BAsED Forms oF trEAtmEnt" is usED ______.
A．in ContrAst to trEAtmEnt in spECiAlizED institutions
B．to show how EFFiCiEnt it is For mEntAl illnEss AnD othEr DisEAsEs
C．to show how FutilE spECiAlizED trEAtmEnt CAn BE
D．As A synonym to trEAtmEnt in spECiAlizED institutions