What is a competency？

What is a competency？
A.It is the same as a strength.
B.It is the same as intelligence.
C.It is skill in performing tasks.
D.It is based on personality.
E.It is a capability that allows you to get a result with consistence and with high quality.
正确答案：It is a capability that allows you to get a result with consistence and with high quality.