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    Question

    Select the most appropriate option to substitute the

    highlighted segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.  A team of biologists have been discovered  four new species of horned frogs in the North Eastern region of India.
    A has been discovered Correct Answer Incorrect Answer
    B has been discovering Correct Answer Incorrect Answer
    C has discovered Correct Answer Incorrect Answer
    D No substitution required Correct Answer Incorrect Answer

    Solution

    In this case, the verb "has discovered" is the correct form. It uses the singular form of the auxiliary verb "has" to agree with the singular subject "a team."

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