While conducting a patrol in a building where the sprinkler system is out of service, a Fireguard discovers a fire door propped open with a wooden wedge. What is the most significant fire hazard this situation creates?
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A
It obstructs the means of egress for building occupants.
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B
It allows for the undetected spread of fire and smoke between compartments.
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C
It creates a trip and fall hazard for anyone passing through the doorway.
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D
It violates the building's security protocol by leaving a door unsecured.