Which One of the Following Best Describes the Role of the International

Which one of the following best describes the role of the International Auditing and Assurance Board (IAASB) ?
The IAASB is responsible for:

A) Setting auditing standards which are compulsory throughout the world
B) Monitoring auditors to ensure that they comply with auditing standards
C) Investigating and disciplining auditors who fail to comply with auditing standards
D) Setting auditing standards which facilitate the convergence of national and international auditing standards