You delete content fro

You delete content from a file named Speed.doc that is stored in the C：\Data folder. You edit 20 files in this folder over the next two days.  You need to restore the version of the file that had the correct data. You also need to ensure that the other files in the folder remain unaffected.  What should you do？ （）

• AFrom the Previous Versions tab， restore the version of the file that contains the correct data.
• BRestore a version of the folder that contains the correct version of the file.
• COpen a version of the folder that contains the correct version of the file.
• DCopy a version of the folder that contains the correct version of the file. Replace the existing version of the folder with the older version.