How can Workbook Protection that has been applied to a workbook be removed?
A.) Open the file, enter the password, and then resave the workbook to remove the protection.
B.) Right-click the workbook and select Remove Protection from the menu list.
C.) Select the cells to unprotect, click the Home tab on the ribbon, and select Lock Cells in the Format menu.
D.) Click the Review tab on the ribbon and click Protect Workbook in the Changes group.

Please help me!

The answer is D:Click the Review tab on the ribbon and click Protect Workbook in the Changes group.

Explanation:

I took the UNIT TEST

go to edit profile, preferences, then choose level and select the desired choice.

do not use any of these common illegal characters/symbols:

# pound

% percent

& ampersand

{ left curly bracket

} right curly bracket

\ back slash

< left angle bracket

> right angle bracket

* asterisk

? question mark

/ forward slash

  blank spaces

$ dollar sign

! exclamation point

' single quotes

" double quotes

: colon

@ at sign