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There are no legal limits, as there are for cod and haddock, on the size of monkfish that can be caught, a circumstance that contributes to their depletion through overfishing.

1. A. There are no legal limits, as there are for cod and haddock, on the size of monkfish that can be caught, a circumstance that contributes to their depletion through overfishing.

2. B. There are no legal limits on the size of monkfish that can be caught, unlike cod or haddock, a circumstance that contributes to depleting them because they are being overfished.

3. C. There are legal limits on the size of cod and haddock that can be caught, but not for monkfish, which contributes to its depletion through overfishing.

4. D. Unlike cod and haddock, there are no legal size limits on catching monkfish, which contributes to its depletion by being overfished.

5. E. Unlike catching cod and haddock, there are no legal size limits on catching monkfish, contributing to their depletion because they are overfished.

    

   谁知道这道题选什么，如何解释 

    

which不能指代一个句子，所以 CD错

原文讲fish的size而不是讲limits的size,而且E unlike catching cod and haddock没有contrast的对象，后面depletion because they are overfished.也很wordy. E错

B 中 like cod or haddock夹心修饰，不知道修饰谁, 修饰limits? size? monkfish? 还是circumstance?   B 错

A对，我觉得fish和 deer啊 sheep啊 一样是单复数同形