How would information technology infrastructure library be characterized?

How would information technology infrastructure library be characterized?
A . It resources should be organized, processes documented, functions and roles of IT service management (ITSM) defined
B . It resources should be organized, leadership styles identified, network designs created and how to best buy equipment
C . It resources should be organized, leadership styles identified, network designs created and roles of IT Service management (ITSM) defined
D . It resources should be organized, processes documented, network designs created and how to best buy equipment

Answer: A