单选题Hundreds of years ago, life was much harder than it is today because _____.Athere were not modern machinesBthere was no modern medicineCboth A and BDthere were not many people
单选题
Hundreds of years ago, life was much harder than it is today because _____.
A
there were not modern machines
B
there was no modern medicine
C
both A and B
D
there were not many people
参考解析
解析：
根据第一段可知，人们在一百多年前既没有现代化的药品，也没有现代化的机器。
根据第一段可知，人们在一百多年前既没有现代化的药品，也没有现代化的机器。
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