How was life different for urban and rural slaves?

Urban slaves usually had an easier life compared to rural slaves. this is because most urban slaves were kept as maids and caretakers who dont have to work 24/7 and work indoors most of the time. rural slaves worked in the fields almost all day without brake.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

i believe your answer is d)