Final answer:
WebTrust is an Internet assurance service that provides validation for an organization's online activities, focusing on consumer protection and online privacy.
Step-by-step explanation:
WebTrust is a(an) Internet assurance service. This service provides a set of principles and criteria that are used by Certified Public Accountants (CPAs) to assess and validate an organization's controls and practices related to business activities conducted over the Internet. Businesses that pass this assessment are awarded a WebTrust seal, indicating they adhere to the established criteria regarding consumer protection and online privacy.
The correct answer to the student's question is C. Internet assurance service.
Some examples of principles covered by WebTrust include online privacy, security, availability, and confidentiality. To trust an online presence, the WebTrust seal helps ensure that a website is indeed reliable and complies with specific standards.