Plasma Membranes Are Best Described as a

Plasma membranes are best described as a

A) double layer of phospholipids with hydrophobic tails facing toward one another.
B) single layer of phospholipids with water molecules attached along one side.
C) double layer of phospholipids with hydrophilic heads facing away from one another.
D) double layer of phospholipids with hydrophobic tails facing away from each other (toward the cytoplasm of the cell and the extracellular solution) .
E) single layer of phospholipids with tails pointed toward the inside of the cell.