I'll give you a question, please answer with step-by-step reasoning process.
Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?\nOptions:\n(A) 12\n(B) 15\n(C) 14\n(D) 18\n(E) 17

(C)
In this series, each number is repeated, then 13 is subtracted to arrive at the next number.

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The final answer: (C)