Select the correct answer.
what is the meaning of the idiom “the city that never sleeps”?

a.
to inform readers about the cultural diversity found in art, music, and food
b.
to express that if you want to do everything there is to do, you wouldn’t have time to sleep
c.
to describe the people who live there and their poor sleeping habits
d.
to create an image in the readers mind that there is so much noise no one can sleep