If I had written your question in English, I could have helped you
United States has the most political divisions out of these choices.
Answer:
A) Qualitative approach
Explanation:
Since in the question it is mentioned that the researcher conduct a study for exploring fourth grade students that experience math assessments and during the time of testing many feels the anxiety
Here in the given situation it deals with the qualitative approach as focused on the data which is not numerical and based on the quality with respect to the questionnaires, observation, etc
hence, the correct option is B.
I recommend you stretch the truth a little bit. Make it interesting and realistic.