People working 10 or 11 hours a day are more likely to suffer from health problems than _____who go off duty after eight hours.
A.those
B.that
C.these
D.them
网友回答
A解析句意：一天工作10或11小时的人比那些每天工作8小时的人更可能遭受健康问题。who go off duty after eight hours.是定语从句，前面缺少先行词，根据句意应是那些人，所以选A。