单选题：具有自重轻、构造简单、材料单一、构件标准定型装配化程度高、现场安装快、施工期短等优点的刚性防水材料是（　　）。

题目内容：
具有自重轻、构造简单、材料单一、构件标准定型装配化程度高、现场安装快、施工期短等优点的刚性防水材料是（　　）。 A．沥青油毡瓦
B．阳光板
C．铅合金防水卷材
D．金属屋面

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