You receive a call to a residence, where a neighbor has found the resident, a 40-year-old female, semiconscious on her living room floor. During your assessment, you discover a bottle of Dilantin on a nearby table. You should be most suspicious that this patient:

A) Has ingested a toxic substance
B) Is experiencing a diabetic emergency
C) Suffers from a seizure disorder
D) Is hypoglycemic