Atty. X fails to serve personally a copy of his motion to Atty. Y because the office and residence of Atty. Y and the latter's client changed, and no forwarding addresses were given. What is Atty. X's proper remedy?

• A. Deliver copy of the motion to the clerk of court with proof of failure to serve.
• B. Serve the motion by publication in a newspaper.
• C. File for deemed service.
• D. Dismiss the motion for lack of service.

Answer: (A)