[Đề ANH 2023] They made an enormous effort in wildlife conservation.

Câu hỏi:

They made an enormous effort in wildlife conservation. A lot of species were saved from extinction.

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  A.
  Such was their effort in wildlife protection that a lot of species couldn’t be saved from extinction.
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  B.
  Not until a lot of species had been saved from extinction did they make an enormous effort in wildlife conservation.
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  C.
  No matter how much effort they have made to protect wildlife a lot of species were saved from extinction.
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  D.
  Had it not been for their enormous effort in wildlife conservation, a lot of species wouldn’t have been saved from extinction.