Which of the following is involved in controlled fermentation of cucumbers brined in bulk?

• A. Directing the fermentation by thorough washing of cucumbers, chlorination and acidification of the cover brine and addition of sodium acetate as buffer
• B. Inoculation of brine with a starter culture of L. Plant arum
• C. Purging of dissolved carbon dioxide from the brine with nitrogen
• D. All of the mentioned