What Are the Seven Key Competencies in the HR Model

What are the seven key competencies in the HR model introduced by David Ulrich, Wayne Brockbank, and a study by Mercer?

A) Mastery of technology, strategic contribution, HR knowledge, business knowledge, integrity, data management, operations management
B) Strategic contribution, HR delivery, business knowledge, personal credibility, HR knowledge, operations management, financial management
C) Mastery of technology, strategic contribution, HR delivery, personal credibility, business knowledge, data management, financial management
D) Mastery of technology, transactional contribution, customer service, credibility, HR knowledge, financial management, training
E) Strategic contribution, HR mastery, HR delivery, mastery of technology, personal credibility, training, data management