Neurons in the Central Nervous System Have Less Chance of Regenerating

Multiple Choice

Neurons in the central nervous system have less chance of regenerating for all of the following reasons except:

A) there is no neurolemma in cells of the central nervous system.
B) astrocytes fill in the path of regrowth.
C) microglia lay down scar tissue.
D) All of these lessen the chance of healing in the central nervous system.