Answer:
correct option is B. The Delphi technique
Explanation:
RAND was developed by Delphi method in the 1950 s and initially to predict the impact of technology on the military.
This method involves a group of experts who respond anonymously to questions and subsequently receive an answer as in the form of statistical representation of group response and after that process repeats itself.
As the goal to narrow down the range of responses and get to something close to a consensus agreement and this Delphi method widely adopted and is still relevant today.
so correct option is B. The Delphi technique