As per TOGAF 10, It must be C. B might be correct as per TOGAF 9.2 and clarified in TOGAF 10

https://pubs.opengroup.org/togaf-standard/togaf-leaders-guide/togaf-leaders-guide_4.html

EA principles should address the following purposes: Enable decision-making – it is important to set precedence during trade-off discussions and authority of tie-breaking if it must occur Align the enterprise – principles take subjectivity and bias out of the equation and drive critical conversations that are objective and aligned to the enterprise’s values Governance – how will the enterprise ensure that the right decisions are surfaced at the right time and with the right decision-makers, and, moreover, how to monitor the decisions and approach taken to arrive at the decision? Values and Culture – provide a better understanding about the enterprise’s culture and values; provide an approach and insight into how well the enterprise reacts to change

Really I answer C but after discussion with some friends and read the Mr. TamZei discussion I am with B.

This is from the Leaders Guide. https://pubs.opengroup.org/togaf-standard/togaf-leaders-guide/togaf-leaders-guide_4.html "EA principles should address the following purposes: Enable decision-making – it is important to set precedence during trade-off discussions and authority of tie-breaking if it must occur Align the enterprise – principles take subjectivity and bias out of the equation and drive critical conversations that are objective and aligned to the enterprise’s values Governance – how will the enterprise ensure that the right decisions are surfaced at the right time and with the right decision-makers, and, moreover, how to monitor the decisions and approach taken to arrive at the decision? Values and Culture – provide a better understanding about the enterprise’s culture and values; provide an approach and insight into how well the enterprise reacts to change."

Architecture Principles are general rules and guidelines that inform and support the way in which an organization sets about fulfilling its mission. They reflect a level of consensus among the various elements of the enterprise, and form the basis for making future IT decisions. One of the purposes of Architecture Principles is to establish a common understanding of how to control the business in pursuit of strategic objectives, by providing a framework for evaluating and agreeing on the changes that affect the enterprise's architecture3 Reference: 3: The TOGAF Standard, Version 9.2, Part III: ADM Guidelines and Techniques, Chapter 23: Architecture Principles : Architecture Content Framework, Chapter 31: Architecture Principles

C is correct