问题详情

Which of the following is Brown"s finding？
A. People should choose a sleep pattern and work according to the pattern.
B. Regular changes between day shifts and the night ones do good to workers.
C. Permanent night workers suffer no disturbed sleep or other disorders.
D. Workers act abnormally when they work on night shift every day.请帮忙给出正确答案和分析，谢谢！