Questions: A is a program that interprets HTML to display webpages.

The answer is the first one: web browser.

Explanation for each option:

1. Web browser: This is correct. A web browser is a program that interprets HTML (HyperText Markup Language) to display webpages. Examples include Google Chrome, Mozilla Firefox, and Microsoft Edge.
2. URL: This is incorrect. A URL (Uniform Resource Locator) is the address used to access resources on the internet, such as webpages, but it is not a program.
3. Hyperlink: This is incorrect. A hyperlink is a reference or link within a webpage that directs users to another webpage or resource, but it is not a program.
4. VoIP: This is incorrect. VoIP (Voice over Internet Protocol) is a technology that allows voice communication over the internet, but it is not related to interpreting HTML or displaying webpages.

Summary: The correct answer is the first one: web browser. A web browser is the program that interprets HTML to display webpages.