Answer:
The correct answer is letter "D": occurs when standardization on a technology blocks the adoption of more efficient technologies.
Step-by-step explanation:
Technological lock-in refers to a state in which a given economic activity is tied to certain technology because it is considered to be the standard in such a field. Better technologies could be implemented but they are not adopted because of the lock-in of the existing, widely accepted technology.
There is no regulation over technological lock-ins neither an agency ruling this practice.