In order to help the student expand his/her knowledge I will help answer the question. This in hope that the student will get a piece of knowledge that will help him/her through his/her homework or future tests.
You may be unable to link to the site if a large number of computer users are attempting to access a Web site at the same time that you are. This is because some website servers can only handle a certain amount of traffic. The correct answer is
C. You may be unable to link to the site.
I hope it helps, Regards.