Search engines use a(n) __________ to automatically index sites. A. crawler B. query C. enterprise D. sitebuilder

The correct answer is A. crawler.

A crawler, also known as a spider, is a program that automatically visits websites and indexes the pages for search engines. The crawler follows links from one page to another, and it stores information about the pages, such as the title, the URL, and the keywords that are used on the page. This information is used by the search engine to rank the pages in the search results.

B. query is a search term that a user enters into a search engine. The search engine then uses the query to find pages that match the user’s search criteria.

C. enterprise is a large company or organization.

D. sitebuilder is a program that helps users create websites.