During the period of recent terrorist activities, people ___

During the period of recent terrorist activities, people _____ not to touch an unattended bag．

A．had always been warned	B．were always being warned
C．are always warning	D．always warned

嘉非 1年前已收到1个回答举报

jlice 幼苗

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B

考查时态。这里用过去进行时表示过去某个时候经常性的动作。

1年前

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