People working 10 or 11 hours a day are more likely to suffer from health problems than wh

问题补充：

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

答案：

(答案→)A. those

B. that

C. these

D. them

解析：those相当于the ones，一天工作10到11小时的人比那些八小时后不工作的人患上健康疾病的可能性大。