' A ' is the only choice that has a true advantage and a true disadvantage.
Here are all of the FALSE items, underlined:
A: Advantage: It could help get rid of unwanted waste. Disadvantage: It would emit pollution into the air.
B: Advantage: it reduces dependence on fossil fuels. Disadvantage: It would create new jobs for the area.
C: Advantage: it produces carbon dioxide. Disadvantage: building the plant would be expensive.
D: Advantage: it would use existing garbage and agricultural waste Disadvantage: there is no way to use the power created.