Which statement is true about 360-degree performance appraisal？

Which statement is true about 360-degree performance appraisal？
A.It is useful as a feedback for both developmental and administrative purposes.
B.It is neither an administrative tool nor a developmental tool
C.It is used only as an administrative tool.
D.It is used only as a development tool.
正确答案：It is useful as a feedback for both developmental and administrative purposes.