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题库 / OG2017V-SC-218
In recent years cattle breeders have increasingly used crossbreeding, in part that their steers should acquire certain characteristics and partly because crossbreeding is said to provide hybrid vigor.
in part that their steers should acquire certain characteristics
in part for the acquisition of certain characteristics in their steers
partly because of their steers acquiring certain characteristics
partly because certain characteristics should be acquired by their steers
partly to acquire certain characteristics in their steers
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老师，我查了网上的一种说法，说D：选项除了错在should 使用不当外，还错在steers 不能acquire，请问这里的steers 应理解为breeders 的指引，还是理解为小公牛呢?
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