Brain drain problem which was dominant in the middle of 20th Century in India is indicative of which one of the following aspects?(i) Lack of adequate facilities for advanced study and research in India.(ii) The capacity of the developed nations to buy the talent at a price beyond the means of the developing nation.(iii) Increase of population and underutilization of human research.Choose the correct option from below:

• A. Only (i) and (iii)
• B. Only (ii) and (iii)
• C. Only (iii)
• D. Only (i) and (ii)