Question:You need to return the contents of an isolated storage file as a string. The file is machine-scoped and is named Settings.dat. Which code segment should you use?
 

A Dim objStream As IsolatedStorageFileStream 
objStream = New IsolatedStorageFileStream( _ 
"Settings.dat", FileMode.Open) 
Dim result As String = New StreamReader(objStream).ReadToEnd 
B Dim objFile As IsolatedStorageFile 
objFile = IsolatedStorageFile.GetMachineStoreForAssembly Dim objStream As 
IsolatedStorageFileStream 
objStream = New IsolatedStorageFileStream( _ 
"Settings.dat", FileMode.Open, objFile) 
Dim result As String = objStream.ToString 
C Dim objFile As IsolatedStorageFile 
objFile = IsolatedStorageFile.GetMachineStoreForAssembly Dim objStream As 
IsolatedStorageFileStream 
objStream = New IsolatedStorageFileStream( _ 
"Settings.dat", FileMode.Open, objFile) 
Dim result As String = New StreamReader(objStream).ReadToEnd 
D Dim objStream As IsolatedStorageFileStream 
objStream = New IsolatedStorageFileStream( _ 
"Settings.dat", FileMode.Open) 
Dim result As String objStream.toString 

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C 

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Mohammad Towhidul Islam

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