在HTML中，哪个标签用于定义标题？
答案解析
本题考查HTML基础标签的使用。正确答案是C，因为
到标签用于定义六级标题，其中是最大的标题，是最小的标题。选项A 包含文档的元数据，选项B 用于定义文档或节的页眉，选项D 定义文档的标题，显示在浏览器的标题栏中。
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<i class="fas fa-check-circle me-2"></i>正确答案：C
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