In Microsoft Office 2016, If You Try to Close a File

Multiple Choice

In Microsoft Office 2016, if you try to close a file that you have modified but have not saved, _____. ​

A) you directly exit the Office application without saving the file
B) you will not be able to access the unsaved file again
C) a dialog box appears, asking whether you want to save your changes
D) a dialog box appears, asking whether you want to open the unsaved file in another window