What is the distinction between afferent and efferent nerves

A)  Afferent nerves take information to the central nervous system, while efferent nerves take information out from the central nervous system. 
B)  Afferent nerves are motor neurons, while efferent nerves are sensory neurons. 
C)  Afferent nerves are in the peripheral nervous system, while efferent nerves are in the central nervous system. 
D)  Afferent nerves take information to the muscles, while efferent nerves take information to the central nervous system.