What effect does the use of a literary device have on the meaning of this passage?

Sure, I've been a commercial pilot for 30 years, have trained over 400
students in the cockpit, and am certified to fly 7 out of 10 of the most
common airliners in the world, but, of course, I'm not an expert on
aviation like you

A. It establishes an atmosphere of mutual respect and trust.

B. It emphasizes that the speaker has more expertise than the
listener.

C. It uses statistics to support a point about the need for more
experience

D. It gives a list of qualifications to establish the speaker's credibility.