-The Structure Designated "3" in This Illustration​

Multiple Choice

-The structure designated "3" in this illustration​ 

A) transmits efferent data from the central nervous system to muscles and glands. 
B) transmits afferent data from the periphery to the central nervous system. 
C) is a mixed nerve, carrying both afferent and efferent data to and from the central nervous system. 
D) is a sympathetic ganglion, and participates in autonomic arousal.