单选题You load an XmlDocument named doc with the following XML. World Atlas Dictionary You need to use an XPath query string to select the two book nodes. Which code segment should you use? （）ADim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(.)BDim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(book)CDim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(bookstore//book)DDim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(books/book)
单选题
You load an XmlDocument named doc with the following XML. World Atlas Dictionary You need to use an XPath query string to select the two book nodes. Which code segment should you use? （）
A
Dim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(.)
B
Dim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(book)
C
Dim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(bookstore//book)
D
Dim root As XmlElement = doc.DocumentElementDim nodes As XmlNodeList = root.SelectNodes(books/book)
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