请教一道英语题，这个要怎么选，给个解释，谢谢
Throughoutthatcountry,cityresidentsnowdays___fromfarmoreviolenceandjuveniledelinquenc...
Throughout that country,city residents nowdays___ from far more violence and juvenile delinquency than they did one or two decades ago
A.were suffering
B.have suffered
C.suffer
D.have been suffering 展开
A.were suffering
B.have suffered
C.suffer
D.have been suffering 展开
展开全部
选D 表示一直在遭受。 have/has been doing sth表示从过去某一时刻开始一直持续到现在的动作或状态。
又不懂的话欢迎追问哦
又不懂的话欢迎追问哦
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