单选题：WhatdowelearnaboutAmazon'sdeliverydrones?

题目分类：英语六级
题目类型：单选题
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题目内容：

WhatdowelearnaboutAmazon'sdeliverydrones? A．TheycanbeusedforAmazon'sexpressdeliveryrightnow.
B．Theycandelivereighty-fivepercentofAmazon'sproducts.
C．Theycandeliverthepurchasestotheremoteareas.
D．Theycandeliverthegoodstoacustomer15milesaway.

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