An advantage of a corporate centrally-managed anti-virus solution over a standalone anti-virus program is a corporate anti-virus solution:（）

• A、is more secure than a standalone anti-virus program.
• B、can push out anti-virus updates from a local, centralized location.
• C、catches more viruses than the standalone anti-virus program.
• D、catches more spyware and malware than a standalone anti-virus program.