求大牛解释啊

cecelia敏

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.
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.
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.
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.
D.    Unlike cod and haddock, there are no legal size limits on catching monkfish, which contributes to its depletion by being overfished.
E.    Unlike catching cod and haddock, there are no legal size limits on catching monkfish, contributing to their depletion because they are overfished.
能详细帮我解答一下吗？

Elroy

在prep08语法笔迹里。我用手机上的。你自己搜下