This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to use bing search engine
Click on any of the bing website links provided to you in the sources section of this article.
Click on " web " in the upper-left corner to access bing's search engine.
You may also click on any of the links for " images, " " videos, " " news, " or any other category based on the type of information you are searching for.

Options: a). You can find bing by clicking on the link for " search engine. " on the lower-right portion of the page, press the " x " key three times to launch bing search.; b). Click on " ok " to save your reading. Type the keywords that you have found.; c). For example, if you just want to search for music videos, select " videos. " Enter specific keywords that are related to the information you are looking for.; d). You can also enter the keywords that help you to narrow down your search. Doing so can provide you with a list of results.;
The answer is:
c).