That revolving doors should have been installed in the entrance to the publishing house is

That revolving doors should have been installed in the entrance to the publishing house is an overstatement to describe______.

A．the huge number of reporters who have exhausted themselves on the job

B．the high turnover of reporters due to the stress and strain of the job

C．the high death rate of reporters working on the job

D．the heavy pressure on the employers to reduce cost

请帮忙给出正确答案和分析，谢谢！