Q. Most World Wide Web pages contain commands in the language __________.

Explanation by: Mr. Dubey

HTML (HyperText Markup Language) is the standard language used to create and structure content on the World Wide Web.
Most web pages are written in HTML to define elements like headings, paragraphs, links, images, etc.
Other options:
(A) NIH – Stands for National Institutes of Health; not related to web page coding.
(B) URL – Uniform Resource Locator; it's the address of a web page, not a language.
(D) IRC – Internet Relay Chat; a protocol for chat, not web development.
So, the correct answer is HTML.