“I know my onions”

Choose the correct interpretations of the statement given, for questions below

A. I know my job very well
B. I know my rights
C. I am clever because of experience
D. I am aware of my position

Correct Answer: Option A

A. I know my job very well

Explanation

‘To know one’s onions’ is to be fully acquainted with a subject or the practice in a field.