The correct answer is: A. Basic research.
Basic research is the fundamental objective of scientific elucidation. It is a type of research that is conducted to gain a better understanding of the natural world. Basic research is not typically focused on solving specific problems, but rather on expanding our knowledge of the world around us.
Long-term research is a type of research that is conducted over a long period of time. It is often used to study complex phenomena that cannot be adequately studied in a short period of time. Long-term research can be expensive and time-consuming, but it can provide valuable insights into the world around us.
Naturalistic inquiry is a type of research that is conducted in a natural setting. It is often used to study human behavior and interactions. Naturalistic inquiry can be difficult to control, but it can provide valuable insights into the real world.
A holistic perspective is a way of viewing the world that emphasizes the interconnectedness of all things. It is often used in research to study complex systems. A holistic perspective can be difficult to implement, but it can provide valuable insights into the world around us.
In conclusion, the correct answer is: A. Basic research.