GWD-30-Q2之前的讨论还是不是很清楚，请教

liuzhixu_ruc

Caribou are wary animals with excellent hearing, so stalking them over the treeless landscape, getting close enough to kill it with nothing but a handheld lance, as Dorset people did, required exceptional hunting skill.

A. so stalking them over the treeless landscape, getting close enough to kill it

B. so to stalk them over the treeless landscape and get close enough to kill one

C. so in order to stalk them over the treeless landscape and get close enough to kill one

D. and so in order to stalk it over the treeless landscape, getting close enough to kill it[

E. and so stalking them over the treeless landscape and getting close enough in order to kill it

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ans为B，有个问题，这个选项中不定式是做主语嘛？

ADE中的it使用错误，C使得整个句子缺少主语，那么B呢？不定式在GMAT中可以做主语？

lijiahui0422

不定式确实做主语，最常见的就是It is adj to do . to do 就是主语，但是不是只有用形式主语代词不定式才是正确的形式，不定式也可以出现在句首（虽然我觉得这题用现在分词更顺口...但是其他选项都有硬伤）