What does the U.S. Merit Systems Protection Board recommend forimproving the fed

What does the U.S. Merit Systems Protection Board recommend forimproving the federal performance management system?A. Allowing individual managers to choose and useevaluations that will best suit their supervisory styles andneedsB. Selecting supervisors who have an aptitude forthe human relations aspect of supervisory workC. Selecting a standard evaluation system thatcan be used throughout entire organizations in order to maintainconsistencyD. Selecting supervisors who have an aptitude forthe technical aspect of supervisory work