Question:You are implementing an ASP.NET web application.The application defines the following classes.
public class Person
{
     public String Name{get; set;}
     publicIList<Address> Addresses{get;set;}
}

public class Address
{
     public String AddressType{get; set;}
     public string AddressValue{get;set;}
}

The applicaction must generate XML from personList, wich is a collection of Person instances.The following XML is an example of the schema than the generated XML must use.
<Persons>
<Person Name="John Doe">
<Address Email="John.Doe@contoso.com"/>
<Address AlternativeEmail="John.Doe@contoso.com"/>
<Address MSNInstanceMessenger="John.Doe@contoso.com"/>
</Person>
.....
</Persons>
You need to generate the XML. 

Wich code segment should you use? 

A var XML= new XElement("Persons",
from person in personList
      Select (new XElement("Persons",
newXElement("Name", person.Name),
from addr in person.Addresses
select new XElement("Address",
newXElement(addr.AddressType,
addr.AddressValue))))); 
B var XML= new XAttribute("Persons",
from person in personList
     Select (new XElement("Persons",
newXAttribute("Name", person.Name),
from addr in person.Addresses
select new XAttribute("Address",
newXAttribute(addr.AddressType,
addr.AddressValue))))); 
C var XML= new XElement("Persons",
from person in personList
      Select (new XElement("Persons",
newXAttribute("Name", person.Name))) 
D var XML= new XElement("Persons",
from person in personList
     Select (new XElement("Person",
newXAttribute("Name", person.Name),
from addr in person.Addresses
select new XElement("Address",
newXAttribute(addr.AddressType,
addr.AddressValue))))); 

+ Answer
D 

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Zia Uddin Muhammad Tarek

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