Read the passage: 'A backdraft occurs when oxygen is introduced into a superheated, oxygen-depleted compartment. Warning signs include smoke-stained windows, puffing smoke at seams, and little visible flame. Firefighters should avoid opening doors without first reading conditions.' A firefighter notices puffing smoke at door seams and discolored windows. The BEST action based on the passage is to:
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A
Open the door quickly to allow smoke to escape
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B
Immediately force entry to search for victims
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C
Read conditions carefully before opening the door
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D
Ventilate from the roof before approaching the door