Question:You need to write a code segment that will add a string named strConn to the connection string section of the application configuration file. Which code segment should you use? 

A Dim myConfig As Configuration = _ 
ConfigurationManager.OpenExeConfiguration( _ 
ConfigurationUserLevel.None) 
myConfig.ConnectionStrings.ConnectionStrings.Add( _ 
New ConnectionStringSettings("ConnStr1", strConn)) 
myConfig.Save() 
B Dim myConfig As Configuration = _ 
ConfigurationManager.OpenExeConfiguration( _ 
ConfigurationUserLevel.None) 
myConfig.ConnectionStrings.ConnectionStrings.Add( _ 
New ConnectionStringSettings("ConnStr1", strConn)) 
ConfigurationManager.RefreshSection("ConnectionStrings") 
C ConfigurationManager.ConnectionStrings.Add( _ 
New ConnectionStringSettings("ConnStr1", strConn)) 
ConfigurationManager.RefreshSection("ConnectionStrings") 
D ConfigurationManager.ConnectionStrings.Add( 
New ConnectionStringSettings("ConnStr1", strConn)) 
Dim myConfig As Configuration = _ 
ConfigurationManager.OpenExeConfiguration( _ 
ConfigurationUserLevel.None) 
myConfig.Save() 

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B 

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Mohammad Towhidul Islam

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