Which Strategies Would a Seawater Fish with an Internal Osmolarity

Multiple Choice

Which strategies would a seawater fish with an internal osmolarity of 320mOsm/L living in a marine environment of 1010mOsm/L utilize to maintain internal ion and water homeostasis?

A) produce copious amounts of dilute urine
B) drink seawater and actively excrete salts out of their bodies across the gills
C) don't drink seawater and actively transport salts into their bodies at the kidneys
D) drink seawater and actively transport salts into their bodies at the gills
E) All of the choices for this question are correct.