Question

    Parts of the following sentence are given as options.

    Identify the segment that contains a grammatical error.  I shall buy this book if you like it or not.
    A this book Correct Answer Incorrect Answer
    B or not Correct Answer Incorrect Answer
    C I shall buy Correct Answer Incorrect Answer
    D if you like it Correct Answer Incorrect Answer

    Solution

    The word "whether" is used to introduce a choice or alternative between two possibilities. In this case, it indicates that the speaker's decision to buy the book is not dependent on the listener's preference.

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