An intoxicated 19-year-old female patient has fallen through a large plate glass window. As you approach, you note her to be sitting up and holding her hand over a large laceration on her opposite arm that is still spurting bright red blood. In this situation, you would immediately:

A) Provide high-concentration oxygen and treat for shock
B) Determine the presence and rate of the carotid pulse
C) Apply direct pressure to the laceration
D) Assess the airway for patency and breathing for adequacy

C) Apply direct pressure to the laceration