(单选题)

Unfortunately, any benefits gained by lowering prices never（）if they are achieved by a reduction in quality.

A.last

B.pass

C.spend

D.retain

参考答案：A

参考解析：

句中没有谓语动词，if they are achieved by a reduction in quality是条件状语从句，因此全句无宾语，空格处应填入不及物动词。D：retain（保留）是及物动词。B：pass（经过，通过）虽然是不及物动词，但是要后接表示场所的状语。C：spend（消耗，花费）与句意不符。故选择A：last（持久）。

知识点：动词的时态和语态英语语法串讲（银保监不考）金融业务模考估分

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Unfortunately, any benefits gained by lowering prices never（ ）if they are achieved by a reduction in quality.

Unfortunately, any benefits gained by lowering prices never（）if they are achieved by a reduction in quality.