Other countries have eradicated...
In the question given below, a part of the sentence is in bold and italicised. Below are given alternatives to the bold and italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose option 'D' as the answer.
Other countries have eradicated this disease ten years ago.
eradicated
had eradicated
did eradicated
No improvement
Correct answer is A
No explanation has been provided for this answer.
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