According to ITIL® v3 framework, which service operation process with regard to monitoring and
control methods, ensures that either the processes are being performed as intended (no
circumvention and still fit for purpose) or that any required changes or improvements need to be
identified?

A.
monitoring in test environments

B.
reports and action plans

C.
measurement, metrics, and key performance indicators (KPIs)

D.
service operation audits