The Slowest Category of Nerve Fibers Are the

The slowest category of nerve fibers are the

A) A fibers, and they conduct impulses at 10 meters per second.
B) C fibers, and they conduct impulses at 1 meter per second.
C) D fibers, and they conduct impulses at 0.1 meter per second.
D) C fibers, and they conduct impulses at 100 meters per second.
E) D fibers, and they conduct impulses at 0.01 meter per second.