Answer:
C). Allows for the modification of research design.
Explanation:
Qualitative research includes non-numerical data which could be characteristics, meanings, symbols, concepts, etc. It aims to look for descriptions for better understanding to make meaning and explore a social phenomenon. There are numerous advantages of such researches that include providing depth and details to the topic, focus on individual experiences that offer a sense of liberty and openness of thoughts and ideas, etc. Among the advantages of qualitative research is that it allows for the modification of research design due to its open-ended nature that proposes the modification of research design. Thus, option C is the correct answer.