The plaintiff must prove to the court that service was properly made on the defendant, generally by filing a(n)

A) affidavit.
B) return-of-service form.
C) alternative service method form.
D) summons and complaint.

A return-of-service form is typically filed with the court to prove that the defendant was properly served with the legal documents, such as a summons and complaint. This form is usually completed by the person who served the documents, indicating when, where, and how the documents were served.