12. A prOJCCt manager gets a ..:all from a team member notifying him that there is ,\variance between the speed of a system on th<' projcct and the desi r<>d or planned speed. 111e project manager is surprised hecau~l' that performance measurement wa~ not identified in planning. If the project manager then evaluates whether the variance warrants a response, he is in which part of the project management process?

A. lmtiating B. Executing C. Monitoring and controlling D. Closing