题目内容

公共建筑室内外台阶踏步尺寸应满足以下要求（），且踏步应设防滑措施。

A. 台阶踏步宽度不宜小于0.28m，踏步高度不宜大于0.15m，并不宜小于0.10m
B. 台阶踏步宽度不宜小于0.28m，踏步高度不宜大于0.175m，并不宜小于0.10m
C. 台阶踏步宽度不宜小于0.30m，踏步高度不宜大于0.15m，并不宜小于0.12m
D. 台阶踏步宽度不宜小于0.30m，踏步高度不宜大于0.15m，并不宜小于0.10m

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