How can file uploading/downloading be restricted for the website while permitting general browsing access to that website?

Assume a custom URL Category Object of "NO-FILES" has been created to identify a specific website

How can file uploading/downloading be restricted for the website while permitting general browsing access to that website?
A . Create a Security policy with a URL Filtering profile that references the site access setting of continue to NO-FILES
B. Create a Security policy with a URL Filtering profile that references the site access setting of block to NO-FILES
C. Create a Security policy that references NO-FILES as a URL Category qualifier, with an appropriate Data Filtering profile
D. Create a Security policy that references NO-FILES as a URL Category qualifier, with an appropriate File Blocking profile

Answer: B