You need to modify the file extensions that are associated to Internet Explorer

You have a computer that runs Windows 7.
You need to modify the file extensions that are associated to Internet Explorer.
What should you do?

A.
From Internet Explorer, click Tools and then click Manage Add-ons.

B.
From Control Panel, open Default Programs and then click Set Associations.

C.
From the local Group Policy, expand Computer Configuration and then click Software Settings.

D.
From Window Explorer, right-click %programfiles%\Internet Explorer\iexplore.exe and then click Properties.