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

A．it is a tendency all over the world
B．it is a periodical action
C．it is the effective way to reduce the cost
D．some employees are not qualified for the jobs

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 arc also the questions about the ethics of downsizing availabl