A Motor Unit Has a Small Number of Muscle Fibers

A motor unit has a small number of muscle fibers. Which of the following would likely be true of this motor unit. It:

A) is can produce a great amount of forces
B) is associated with muscles of the lower back
C) is involved in delicate contractions
D) has companion motor units that likely have many muscle fibers
E) is a sheet of smooth muscle cells connected by gap junctions.