Idiom: 'to mind your own business'

[ibrahim]

English Language Tests, Intermediate level

ESL/EFL Test #40 "Do you mind?", question 10

I tried to show an interest in her future career but she simply told me to mind my own ..........

(a) state
(b) business
(c) activities
(d) actions

English Language Tests, Intermediate level

ESL/EFL Test #40 "Do you mind?", answer 10

I tried to show an interest in her future career but she simply told me to mind my own business.

Correct answer: (b) business
_________________________

what means to mind my own business

[Pamela]

Hi,
In other words she simply told him not to interfere with her future career matters but better to think about his own affairs.

[Torsten]

I think it's also important to point that the correct question should read "What does 'to mind my own business mean'?"

TOEIC listening, photographs: A warehouse full of boxes