A to send goods to various parts of the world B at any time during the year C has greatly promoted trade D is it possible to pro

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问题 A to send goods to various parts of the world
B at any time during the year
C has greatly promoted trade
D is it possible to produce on a large scale
E the transport of goods
F it is possible to produce on a large scale
Transport has made it possible for people to eat whatever food they want

选项

答案B

解析 这句话的意思可见第三段,缺少的仅是一个时间状语。
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