Facebook Has Offered a System Where Web Site Operators Can

Multiple Choice

Facebook has offered a system where Web site operators can choose to accept a user's Facebook credentials for logging in. Web site operators appreciate this feature because:

A) they can charge users for accessing their content and hence, generate revenue.
B) they can afford to spend less on Web site maintenance.
C) users can access websites without creating an account, reducing a potential barrier to customer acquisition.
D) Facebook's advertising programs offer better revenue for viewed content.
E) they can associate their offerings with the Facebook brand.