As the Water of Its Salt Pond Evaporates, the Brine

As the water of its salt pond evaporates, the brine shrimp Artemia

A) actively transports salt from its extracellular fluid across its gills to the environment.
B) osmoconforms.
C) actively transports salt from the environment across its gills to its extracellular fluid.
D) allows the ionic composition of its extracellular fluid to match that of the environment.
E) equilibrates its extracellular fluid with the water of the pond.