Which statement is NOT true about holding the door?

A.Don’t be the person asking for the elevator to be held.

B.Don’t hold the door if you are in an elevator full of people.

C.Don’t hold the door for a person approaching the elevator if you are alone in it.

D.Don’t hold the door for a friend or colleague who has taken a quick side-trip.

正确答案：Don’t hold the door for a person approaching the elevator if you are alone in it.