A young adult with a history of diabetes becomes confused shortly after arriving at a friend's house. He is sweating and using profane language, and he is very agitated. You should:

A) ask the patient lie down on his left side.
B) try to restrain the patient so you can finish your assessment.
C) mix sugar into a glass of juice and encourage the patient to drink it.
D) see if the patient has any insulin with him.

C