单选题 From the last paragraph we learn that

A、 the seas we will depend on for future food have been more or less contaminated.
B、 the marine resources are directly bound up with our future life.
C、 the exploitation drives are essential for us to improve the quality of llfe on the earth.
D、 the ecological balance in the seas has nothing to do with that on the land.

【正确答案】 A

【答案解析】[注释] 细节理解题。本题问：从最后一段我们了解到了什么?第3段第2句写道：“事实是海洋已经并正在直接或间接地受到损害。”最后一句更明确指出：“所有边缘海域都已经受到严重污染，其根源和破坏陆地生活质量的开发运动相同。”可见，最后一段要提供的主要信息是[A]的表述。