Which statement is true regarding cerebrospinal fluid?

A) CSF is identical in composition to blood plasma.
B) CSF is made during fetal development and does not change through the lifetime of the person.
C) There is about a liter of CSF within the brain and spinal cord.
D) If CSF is not properly resorbed, the result would be hydrocephalus.
E) CSF moves back into the blood supply by the process of osmosis.