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question_answer #3192
opene6ae1387-e
Status:
New
Priority:
Normal
Assignee:
-
Start date:
01/26/2024
Due date:
% Done:
0%
Estimated time:
answer:
- 选项B：B：父标签[父标签属性名=父标签属性值]>子标签：nth-child[索引序号]
- 选项D：D：索引号从0开始
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