A user calls about a problem with receiving email. After troubleshooting the user’s computer and finding nothing wrong, the technician contacts the email sender and finds out the user gave out their email address incorrectly. Which of the following is the BEST approach in explaining the issue to the user?（）

• A、“Sometimes computers are just strange, but it seems to be working now.”
• B、“You gave them the wrong address and caused this problem.”
• C、“The sender had the e-mail address wrong, but they have it correct now and the problem has been resolved.”
• D、“The SMTP server was not getting a proper resolution of the recipient name field when it was parsing the header.”