You Are Called to a Commercial Creamery, Where an Employee

You are called to a commercial creamery, where an employee got his arm trapped in the ice cream mixing machinery. You note that the skin has been pulled off his hand and arm from the mid forearm down. The patient's muscles, tendons, and bones are exposed. This type of injury is a(n) :

A) amputation.
B) skinning injury.
C) degloving injury.
D) crush injury.