When the station is closed because of the heavy snow, what should station officers do?
A.
A station officer should broadcast that the station is closed for the heavy snow reason.
B.
A station officer should guide the passenger to the transfer station for another ride.
C.
A station officer should advise the passenger to walk on the non-slip mat and leave the station safely.
D.
A station officer should tell the passengers to leave the station in order and take other transportation patiently.