Your Web site processes book orders. One of the application methods contains the following code segment.Dim doc As New XmlDocument（　）doc.LoadXml("10" &_"Dictionary")You need to remove the discount element from XmlDocument. Which two code segments can you use to achieve this goal? （） -题库考试答案搜索网

Your Web site processes book orders. One of the application methods contains the following code segment.Dim doc As New XmlDocument（　）doc.LoadXml("10" &_"Dictionary")You need to remove the discount element from XmlDocument. Which two code segments can you use to achieve this goal? （）

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2022-05-21 10:54

A、Dim root As XmlNode = doc.DocumentElementroot.RemoveChild(root.FirstChild)
B、Dim root As XmlNode = doc.DocumentElementroot.RemoveChild(root.SelectSingleNode(discount))
C、doc.RemoveChild(doc.FirstChild)
D、doc.DocumentElement.RemoveChild(doc.FirstChild)

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正确答案

A | B

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