Read the following passage and answer the question that follows.
*Passage:* 'The structural integrity of a building during a fire is a primary concern for firefighting crews. Buildings are broadly classified into five types of construction. Type I, Fire-Resistive, uses non-combustible materials like concrete and steel. Type II, Non-Combustible, also uses non-combustible materials, but with less fire resistance than Type I. Type III, Ordinary Construction, has non-combustible exterior walls but interior elements (floors, roofs) are made of wood. Type IV, Heavy Timber, uses large-dimension wood for structural members. Finally, Type V, Wood-Framed, is the most common residential construction, with nearly all components made of wood.'
According to the passage, which type of construction features non-combustible exterior walls but a combustible wooden interior?
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A
Type I, Fire-Resistive
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B
Type II, Non-Combustible
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C
Type III, Ordinary Construction
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D
Type IV, Heavy Timber