题目信息
The demonstrations in Paris was marred by clashes between police officers and bottle-throwing gangs of youths.
A:was marred by clashes between police officers
B:was marred by a clash among police
C:were marred by clashes among police officers
D:were marred by a clash between a police officer
E:were marred by clashes between police officers
参考答案及共享解析

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已选答案:
正确答案:
E:were marred by clashes between police officers
主语是The demonstrations,复数
between police officers and bottle-throwing gangs of youths.这里比较的是两个群体,因此用between and而不是among


题目来源
Manhattan