Which One of the Following Best Explains How Water Moves

Multiple Choice

Which one of the following best explains how water moves freely across a plasma membrane?

A) Water moves directly through the phospholipid bilayer because of the charges on phospholipids.
B) Water is brought into the cell by facilitated diffusion but released by exocytosis.
C) It is actively transported across the membrane.
D) Water moves through protein-lined channels in the plasma membrane.
E) The passage of water across a plasma membrane requires facilitated transport.