Choose the correct match of glial cell type and function.

A) astrocytes?metabolize neurotransmitters and modulate synaptic effectiveness B) oligodendrocytes?produce the myelin sheaths of myelinated neurons in the peripheral nervous system C) microglia?produce the myelin sheaths of myelinated neurons in the central nervous system D) radial glia?the source of immunoprotection against pathogens. E) Schwann cells?provide nutritional support to non-myelinated neurons