choose the correct word for (a), (b), (c) respectively
around the time of the birth of jesus, the city of rome had well over one million inhabitants, most of (a)them/whomlived in horrific slum conditions; many were unemployed and over half of them were supported by the state (similar to welfare). during the reign of claudius (41-54 a.d.) there were 159 official holidays in the roman calendar, a reality (b)which/ thatis not conducive to productivity. idle time and poverty are two ingredients that fuel crime. as a result, the emperors sought ways to keep the masses (c)entertaining /entertained. they turned increasingly to sport. roman leaders used sport activities to train soldiers and to provide the masses with entertainment spectacles. for the romans, sports became a show, a dramatic event staged for the purpose of diversion.
① whom- that-entertained ② whom- which-entertained ③ whom- that-entertaining
④ them- that- entertained ⑤ them- which- entertaining

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