问题详情

According to Bonjer, after the training of a different sleep pattern during the weekdays, people________
A. resume their original sleep habits for night shifts before the training
B. tend to come back to their routine sleep patterns at weekends
C. suffer a lot when they come back home to sleep at weekends
D. enjoy the benefits of adjusting to various sleep patterns quickly请帮忙给出正确答案和分析，谢谢！