Case 5-1 Your Neighbor Perry Is Uncertain What the Significance of File

Multiple Choice

Case 5-1
Your neighbor Perry is uncertain what the significance of file extensions is,and he has a bunch of files that he would like to be able to recognize by their extensions alone.You tell him that you will help him out.
-Perry is looking for a file that has had most of its formatting removed.Which of the following is most likely to be that file?

A) file.pdf
B) file.mht
C) file.txt
D) file.wps