Scientists Have Partially Repaired Cut Spinal Cords in Rats by Establishing

Multiple Choice

Scientists have partially repaired cut spinal cords in rats by establishing "cellular bridges" to close the gap.Strategies used include all of the following EXCEPT

A) coaxing severed nerve fibers to grow across the gap.
B) grafting nerve fibers to fill the gap.
C) injecting stem cells into the gap.
D) lateralizing the severed nerve fibers so they fill the gap.