JIll reflected the skin from the back or her donor, revealing a muscle that was attached medially to the spinous process of the cervical and thoracic vertebrae and laterally to the scapular spine....

JIll reflected the skin from the back or her donor, revealing a muscle that was attached medially to the spinous process of the cervical and thoracic vertebrae and laterally to the scapular spine. What muscle did jill expose?

A. The trapezius

B. The latissiums dorsi