A patient came to OPD with a complaint of paresis and numbness after sleeping on his arm. Why?

A patient came to OPD with a complaint of paresis and numbness after
sleeping on his arm. Why?
A. A fibers are more susceptible to pressure than C fibers.
B. B fibers are more susceptible to pressure than A fibers.
C. C fibers are more susceptible to pressure than A fibers.
D. A fibers are more susceptible to pressure than B fibers.
Answer. A