A licensee has concluded a listing presentation in the home of a property owner. The owner signs the exclusive right to sell listing agreement and gives it back to the licensee. When should the licensee give the client a copy of the signed listing agreement?

A. before leaving the client's home

B. after returning to the office and obtaining the broker's signature on the document

C. after returning to the office to photocopy the document for the company files

D. within 48 hours of the client's signature