💡 Detailed Explanation
The professor states that the topic is "非常に広範囲で、かつ専門的な知識が多岐にわたる" (very broad and involves a wide range of specialized knowledge) and that it might be "ハードルが高い" (a high hurdle) to delve deeply from a sociological perspective. He also mentions that it would be difficult to show originality in a short period due to the vast amount of prior research. This aligns with the correct answer.