The term of office for members of the Union Public Service Commission is-

With reference to the annual reports and the advisory role of the Union Public Service Commission (UPSC), consider the following statements: A. The Commission submits an annual report on its work and performance to the President of India. B. The report is laid before the Parliament along with a memorandum explaining the reasons for cases where the Commission's advice was not accepted. C. To ensure administrative independence, the advice and recommendations provided by the Commission are legally binding on the Union Government. D. The UPSC functions as an advisory body, and its advice is generally respected to maintain constitutional propriety. Choose the most appropriate answer from the options given below:

At least half of the members of the Union Public Service Commission are required to have held office under the Government of India or a State Government for a minimum of _______ years.