GMAT Sentence Correction (SC) | Re: Recently declassified information from military satellites in orbit th

Recently declassified information from military satellites in orbit thousands of miles above the Earthshow the planet continually bombarded by large meteoroids that explode with the power of atomic bomb blasts.

(A) show the planet continually bombarded by
(B) show continual bombarding of the planet by
(C) show a continual bombardment of the planet from
(D) shows continually that the planet is bombarded