Which of the following statements is true with respect to the Investigation Branch of India (CBI)?nI. CBI is the foremost investigating agency of India.nII. It is a non-constitutional and non-statutory body.nIII. It derives its powers from the Delhi Special Police Establishment Act 1946.nIV. It is under the administrative control of Department of Personnel and Training, Ministry of Personnel, Department of Public Grievances and Pensions.

• A. I and II only
• B. II and III only
• C. I, II and IV only
• D. I, II, III and IV