Which one of the following is correct for the appointment of Attorney-General of India as per Article 76 of the Constitution?

A. A citizen of India, who has been for at least 15 years an advocate of Supreme Court

B. A citizen of India, who is qualified to be appointed as a Judge of the High Court

C. A citizen of India, who has been for at least 7 years an advocate of High Court or Supreme Court

D. A citizen of India, who is qualified to be appointed as a Judge of the Supreme Court

Answer: Option D