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Question:You need to read the entire contents of a file named Message.txt into a single string variable. Which code segment should you use?

A String= result = nullptr; 
 StreamReader= reader = gcnew StreamReader("Message.txt");result = reader->ReadToEnd(); 
B String= result = nullptr; 
 StreamReader= reader = gcnew StreamReader("Message.txt"); result = reader->ReadLine(); 
C String= result = String::Empty; 
 StreamReader= reader = gcnew StreamReader("Message.txt");  while (!reader->EndOfStream) { result += reader->ToString(); 
 }
 
D String= result = nullptr; 
 StreamReader= reader = gcnew StreamReader("Message.txt"); result = reader->Read().ToString();

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Question:You need to read the entire contents of a file named Message.txt into a single string variable. Which code segment should you use?

A String= result = nullptr; StreamReader= reader = gcnew StreamReader("Message.txt");result = reader->ReadToEnd();

B String= result = nullptr; StreamReader= reader = gcnew StreamReader("Message.txt"); result = reader->ReadLine();

C String= result = String::Empty; StreamReader= reader = gcnew StreamReader("Message.txt"); while (!reader->EndOfStream) { result += reader->ToString(); }

D String= result = nullptr; StreamReader= reader = gcnew StreamReader("Message.txt"); result = reader->Read().ToString();

A

A String= result = nullptr;
StreamReader= reader = gcnew StreamReader("Message.txt");result = reader->ReadToEnd();

B String= result = nullptr;
StreamReader= reader = gcnew StreamReader("Message.txt"); result = reader->ReadLine();

C String= result = String::Empty;
StreamReader= reader = gcnew StreamReader("Message.txt"); while (!reader->EndOfStream) { result += reader->ToString();
}

D String= result = nullptr;
StreamReader= reader = gcnew StreamReader("Message.txt"); result = reader->Read().ToString();