Don't be messing with someone

What is the meaning of this sentence?

“Don’t be messing with me, Carter.”

Also, which of the two below is correct?

A.) What is meant by this passage?
B.) What is mean by this passage?
C.) None of the above.

If you answer C, please give me your revision. Thanks.

The first sentence means Don’t play around with me, Carter.

What is meant by this passage is a correct sentence. It’s a passive construction in the simple present (form of be + past participle.)[YSaerTTEW443543]

TOEIC short conversations: A woman is sending a bulk order to India[YSaerTTEW443543]