The spectacular disintegration of a comet last year in full

This sentence has modifier issue –the spectacular disintegration of comet vs. in full view of ground-space-based telescopes. It is the comet’s spectacular disintegration that has provided new insights.

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 (This choice restricting the meaning to views of telescopes – eliminate it)

b) The spectacular disintegration of a comet last year in full view of ground-as well as space-based telescopes, provided new insights into how comets form and thus possibly forcing (This choice restricting the meaning to views of telescopes – eliminate it)

c) When a comet's spectacular disintegration occurred in full view of ground-and space-based telescopes last year, it provided new insights into how comets form and thus may possibly force
(This is good one – this makes an assertion that the comet’s spectacular disintegration occurred in full view of telescopes – eliminate it)

d) Last year, in full view of ground-and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing (full view is modifying the a comet's spectacular disintegration – Eliminate it)

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 (full view modifying the spectacular disintegration) – Hold it

Answer: E