______the invention of the steam engine, most forms of transport were horsedrawn.
A、
Kin to
B、
Prior to
C、
In addition to
D、
With reference to
【正确答案】
B
【答案解析】
解析：句意：在蒸汽机发明之前，大部分的交通工具都是靠马来拉。kin to与……近似。prior to先于。 in addition to除了……以外。with reference to关于；根据。
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