It takes $1$ minute for a passenger standing on an escalator to reach the top. If the escalator does not move,it takes him $3$ minutes to walk up. How many seconds will it take for the passenger to arrive at the top if he walks up the moving escalator?

  • A
    $30$
  • B
    $45$
  • C
    $40$
  • D
    $35$

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