The researcher will most likely conduct the research by using a case study descriptive research method. The correct option is D.
A case study can be used to describe the features of a particular subject. Case studies collect detailed data to identify the characteristics of a narrowly defined subject rather than a large volume of data to identify patterns across time or location.
The missing options are:
The researcher will most likely conduct the research by using a case study descriptive research method.
Thus, the correct option is D.
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