A Scientist Interested in Studying Aquaporins Plans to Examine the Parts

A scientist interested in studying aquaporins plans to examine the parts of mammalian nephrons in which large numbers of aquaporins can be found.This researcher might choose to examine all of the following except the

A) thick ascending limb of the loop of Henle.
B) collecting duct.
C) descending limb of the loop of Henle.
D) distal convoluted tubule.
E) proximal convoluted tubule.