53쪽 4번문제 정답이 (A)인데, 해석이 잘 안되서요. ㅠ
A danger that carelessly planned artificial reefs pose is the possibility that the materials involved in constructing them may disturb the inhabitants in nearby natural reefs.
이게 요약문제인데, 특히 밑줄 친 부분이 본문의 어떤 점을 요약하고 있는건지 잘 모르겠습니다 ㅠ
도와주세요
*본문: Artificial reefs can cause problems if poorly designed and mounted because insufficiently weighted materials such as car bodies, tires, old vessels, and concrete rubble which end up miles away from the reef site by strong windstorms can damage sedentary organisms of nearby natural reef sites.