Which Electrochemical Effects Match the Given Electrode Polarity

Which electrochemical effects match the given electrode polarity?

A) Hydrochloric acid produced under the anode results in softening of hard scar tissue.
B) The alkaline reaction under the cathode results in softening of the underlying tissues.
C) Sodium hydroxide that builds up under the anode results in sclerosis of tissues.
D) The chemical reactions that occur under the cathode are related to an increase in acidity.