A customer asks the technician for an explanation of the cause of a printer issue, after the issue is resolved. Which of the following would be the MOST appropriate response?（）

A. “The process of removal is extremely complex and only certain individuals would understand”.
B. “There was a moisture build up in the paper tray that apparently caused the paper jam”.
C. “Condensation within the lower tray assembly hindered the functionality of the rollers which caused improper transfer”.
D. “The paper jam was caused because irresponsible users spilled liquid in the bottom tray”.