Research conducted after the careful inquiry is known as:

Correct option is A

The correct answer is (a) Applied research
Applied research refers to a type of research that is conducted after a careful inquiry with the aim of applying the findings to solve specific, practical problems. This kind of research is designed to address practical issues and is driven by the need for applicable results rather than solely by the quest for knowledge. Applied research involves a methodical and careful approach to investigation with the ultimate goal of producing results that can be used to enhance practices, processes, or technology in fields such as business, education, healthcare, and engineering.