You are developing a Windows Store app that will provide users with the ability to save annotations
to text files.
You have the following code segment: (Line numbers are included for reference only.)

You need to add the contents of data to the beginning of file.
Which code segment should you insert at line 03?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

Explanation:
http://msdn.microsoft.com/en-us/library/windows/apps/xaml/Hh758325(v=win.10).aspx