prep-213，以前的帖貌似不够完整，哪位牛人帮我解答一下，谢谢谢谢！！

cx的恐龙

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

个人觉得排除先排除A,D,E，因为这里的it指代关系不明确。应该用one
答案是B，不懂的是C。当时是觉得in order to do好像也挺顺的嘛，哪位牛人解答一下啦，万分感谢！！！！

cx的恐龙

呵呵，自己先顶一下！！