For which one of the following judgements of Supreme Court of India, the Kesavananda Bharti Vs State of India case is considered a landmark?

• A. he religion cannot be mobilised for political ends
• B. bolishing untouchability from the country
• C. ight of life and liberty cannot be suspendedunder any circumstance
• D. he basic structure of the Constitution, asdefined in the Preamble, cannot be changed