What the applicant wears, as the author suggests, can make him look ______.

A．would find no food served on board
B．could not get home without having meals on board
C．could do without any food before he got home
D．would not be allowed to eat on board

A．he did not hear the lunch bell
B．he heard the lunch bell but didn't go for lunch
C．he put something in his ear to close them
D．he did not know it was the lunch bell