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The voyages of travellers before the 17th century show that they were not the se

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The voyages of travellers before the 17th century show that they were not the se

The voyages of travellers before the 17th century show that they were not ________ the sea even though they didn’t have modern navigational aids.

A.at the expense ofB.at the risk ofC.in the way ofD.at the mercy of

试题答案

D