Which of the Following Explains How Sucralfate Works

Multiple Choice

Which of the following explains how sucralfate works?

A) It stimulates production of bicarbonate in the stomach.
B) It increases regeneration of parietal cells in the stomach.
C) It forms a protective barrier over an ulcer to protect it from gastric acid.
D) It stimulates the production of gastric acids in the stomach to form a barrier.