| This is a tricky one. Process of elimination is a pretty good approach.
(A) is incorrect for a couple of reasons. The choreographer has no "need" as expressed in the passage, and there;s nothing in here about spectacular effects.
(B) talks about mathematical forms, and lines are certainly mathematical forms. The choreographer definitely used lines (see line 3-4)
(C) just because lines "rarely occur in nature", that doesn't mean the choreographer is estranged from nature.
(D) this just isn't mentioned at all.
(E) lots of my students find this one tempting, but it's too broad. First, the passage doesn't say anything about multiple "geometric forms"...it talks about lines. (Direction is not a geometric form.) Second, "universality" is a pretty extreme word and needs to be clearly justified in the passage for it to be correct. It just isn't...there's nothing about universality here. | 
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