Which of the Following Is TRUE Regarding Recirculating Aquaculture Systems

Which of the following is TRUE regarding recirculating aquaculture systems (RAS) ?

A) In blind tests, tasters were easily able to distinguish between wild caught fish and those grown in the laboratory fish farm.
B) The types of microbes used in the RAS to manage liquid and solid waste are not found in oceans.
C) Scaled-up RAS operations have proven already to be commercially viable.
D) Fish harvested from RAS operations will need to be shipped thousands of miles across the globe, increasing the environmental footprint of fish consumption.
E) In RAS, the type of fish grown can be chosen based on economic opportunity rather than location.