Which of the following is mentioned as one of the causes of bad breath

A．the shock and stress of the employees can be eased by careful planning and preparation
B．downsizing in an ethical way is the responsibility of the companies
C．when one company takes downsizing, the well-being of employees should be considered as an important part
D．the communication between management and labor should be honest, timely, and effective

A．The laid-off are certainly the only ones affected by the downsizing.
B．Some companies have found the ways to help their will-be laid-off employees.
C．In order to keep competitive, companies take a lot of measures, besides downsizing.
D．There are also the questions about the ethics of downsizing available.