Which statement about phospholipids is true?

$$

A$)$ Phospholipids play a critical role inside cells.

B$)$ The fatty acid portion of a phospholipid constitutes the hydrophilic portion of the molecule.

C$)$ Phospholipids are composed of a glycerol molecule attached to a phosphate group and two fatty acid chains.

D$)$ A membrane can be formed by alignment of fatty acid chains between a single phospholipid layers.

E$)$ The hydrophobic portion of phospholipids align with the polar interior and exterior of a cell.