Which of the following is a true statement with respect to NYCT policy on defective destination signs?

A-A bus that develops a defective destination sign while in service must always be taken out of service at the end of the run.
B-A bus with a defective destination sign can continue to be in service as long as the operator provides correct verbal information to customers on the bus.
C-If a bus develops a defective destination sign while in service, it can be placed on the side or rear window as long as it is visible to the customers.
D-A bus with a defective destination sign can be put back into service as long as the defect occurs in the middle of the route.