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    Question

    In the questions given below, a part of the sentence

    is given in bold. Below each sentence, some phrases are given which can substitute the bold part of the sentence. If the sentence is correct as it is, the answer should be ‘no improvement is required’. The researcher put forward a hypothesis which was later invalidated by empirical data.
    A proposed Correct Answer Incorrect Answer
    B postponed Correct Answer Incorrect Answer
    C presented Correct Answer Incorrect Answer
    D no improvement is required Correct Answer Incorrect Answer

    Solution

    The phrase "put forward a hypothesis" is a standard and correct expression used in academic and scientific writing. "Proposed" and "presented" are close but do not improve the sentence. "Postponed" is irrelevant. Hence, no improvement is required.

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