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The government must be very _____ about setting policies and make no decision until they are quite sure it is the right one.

A．particularB．concernedC．cautiousD．certain

C

解析試題分析：考查形容詞：句意：政府制定政策時必須非常謹慎，在確信決策正確之前不可做決定。Be particular about對……講究/挑剔； be concerned about對……關(guān)心； be cautious about對……小心的，謹慎的； be certain about對……肯定的。所以選C。
考點：考查形容詞

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