A、describe the life cycle of the lobster
B、explain the problems that arise when raising captive lobsters
C、show that no matter what hatcheries do, they cannot help the lobsters
D、convey the need for more funding for lobster hatcheries
E、illustrate how and why lobster hatcheries work to maintain the lobster population
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试题解析
文中开始解释了为什么我们养龙虾,然后讲述了如何养这种龙虾以及养龙虾过程中可能会遇到的问题,结尾处提到这个过程总体上是成功的。E项总结地最全面。