What should you do ?

Your company uses an application that creates documents that have a .xyz extension , Users reports that when they perform searches from the root SharePoint site , documents that have the .xyz extension appear in the search results only if the search query includes the file name , you need to ensure that the content from documents that have the .xyz extension is included in the search results.

What should you do ?

A.
Implement a custom Ifilter that handles .xyz files .

B.
Implement a new keyword best bet for .xyz .

C.
Create a new content typefor documents that have the .xyz extension

D.
Create a new scope search named xyz