Explanation:

Search engines work by crawling hundreds of billions of pages using their own web crawlers. These web crawlers are commonly referred to as search engine bots or spiders. A search engine navigates the web by downloading web pages and following links on these pages to discover new pages that have been made available
Answer:
If you don't mind can you insert a picture so I can help you it would be helpful.
Explanation:
(C) First, and he
Hope this helps.