The quality of a good research that Rita's supervisor was referring to is the doable quality of research on teenage pregnancy, as this topic can be variable and subjective depending on several factors.
It is essential that the researcher considers some factors before choosing the topics to carry out his research, such as:
Therefore, this research topic could reach a degree of subjectivity related to cultural and ethical habits that are variable.
So, the correct answer is:
A. Doable
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https://brainly.com/question/25257437