What does business class mean?

[ullu]

English Language Tests, Intermediate level

ESL/EFL Test #179 "Doing business: expressions with the word business", question 3

......... passengers have a lavatory reserved for their exclusive use.

(a) Business hours
(b) Business park
(c) Business class
(d) Business card

English Language Tests, Intermediate level

ESL/EFL Test #179 "Doing business: expressions with the word business", answer 3

Business class passengers have a lavatory reserved for their exclusive use.

Correct answer: (c) Business class

Your answer was: correct
_________________________

I didn`t understand this sentence. Could you please explain me???

ullu

[Mister Micawber]

.
It is talking about airplane passengers. The business class section has a toilet just for those passengers.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber