The Osmolarities of Blood Plasma,intracellular Fluid,and Interstitial Fluid Are ________

The osmolarities of blood plasma,intracellular fluid,and interstitial fluid are ________ because ________.

A) the same;their compositions are identical
B) the same;they contain the same total number but different kinds of dissolved particles
C) different;they contain the same kinds and proportions of dissolved particles but different total numbers of particles
D) different;osmosis cannot occur fast enough to balance the differences
E) different;each fluid contains different numbers of each kind of solute particles