A common heuristic for defining abnormality uses the Four D’s: Deviance (from norms), Distress (subjective suffering), Dysfunction (impairment in work/relationships/self-care), and Danger (to self/others). Because both Deviance and Dysfunction belong to this set, the combined option is correct.
\[
\boxed{\text{(C) Both (A) and (B).}}
\]