A.需求預測、方案制定、評價與優(yōu)化、規(guī)劃實施
B.需求預測、規(guī)劃實施、方案制定、評價與優(yōu)化
C.需求預測、方案制定、規(guī)劃實施、評價與優(yōu)化
D.需求預測、評價與優(yōu)化、方案制定、規(guī)劃實施