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For each of the following questions, a part or the whole of the original sentence has been underlined. You have to find the best way of writing the underlined part of the sentence.
The matter was referred back to expert committee since the solution to the problem was different from the one proposed earlier.
Though the provided sentences have an awkward structure, we note two inconsistencies that could help us determine the likely answer. Firstly, the word "back" is redundant because "referred" already implies something is being directed again or being sent to a previous or appropriate authority. So, "referred to" is correct. Secondly, the correct phrase is "different from" when comparing two things. "Different than" is less formal and often considered incorrect in standard English. These points help us zero in on Option B as the correct choice.
