You Have Discovered a Kind of Bird Which Has Adapted

You have discovered a kind of bird which has adapted to become aquatic.What would you expect if it lives submerged in freshwater?

A) The bird would take up water into its cells by osmosis.
B) The bird would visit land to eat salt.
C) The cells of the bird would absorb water by osmosis.
D) The bird's kidneys would face constant stress.
E) The bird would excrete urea.