Why does the author mention “long, grueling hours...

Câu hỏi: Why does the author mention “long, grueling hours without sleeps” in paragraph 4?

A To emphasize the difficulty of working as a plumber

B To contrast the reality of a flight attendant’s job with most people’s perception

C To show that people must work hard for the career as a flight attendant.

D To discourage readers from choosing a career as a flight attendant.