答案中provided竟然可以和may thus force平行，时态不对啊，至少要might thus force吧？
28. The spectacular disintegration of a comet last year in full view of ground-and space-based telescopes provided new insights into how comets form and may thus force a rethinking of.....
A. The spectacular disintegration of a comet last year in full view of ground-and space-based telescopes provided new insights into how comets form and may thus force
E. Last year, in full view of ground-as well as space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force
A: correct，last year 修饰a comet
B:
C:
D:
E: last year应该用过去时而不是现在完成时；last year修饰了动作provided而不是comet改变了句意
注意：状语位置的改变导致句意的改变已经出现过多次
时态的东西不是绝对的，只要逻辑含义合理就可以了
不建议把时态作为“对错”的判断标准，这里没有其他选项可以比较，所以不好说
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