You are testing a component that serializes the Meeting class instances so that they can be saved to the file system. The Meeting class has the following definition：

The component contains a procedure with the following code segment. 
Meeting myMeeting = new Meeting（"Goals"）； 
myMeeting.roomNumber=1100； 
string[] attendees = new string[2]{"John"， "Mary"}； 
myMeeting.invitees = attendees； 
XmlSerializer xs = new XmlSerializer（typeof（Meeting））； 
StreamWriter writer = new StreamWriter（@"C：\Meeting.xml"）； 
xs.Serialize（writer， myMeeting）； 
writer.Close（）；
You need to identify the XML block that is written to the C：\Meeting.xml file as a result of running this procedure.Which XML block represents the content that will be written to the C：\Meeting.xml file？（）

A.A
B.B
C.C
D.D