题目内容

Which of the following is a steel structure building? (There is only one correct answer to this question)

A. The building, beams and columns are reinforced concrete, the roof and walls are profiled steel plate
B. The building, beams and columns are hot rolled steel, walls are masonry block
C. The building, beams and columns are timber, walls are masonry block
D. The building, beams and columns are bamboo, walls are masonry block

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