Sentence Correction (SC) | Re: In its most recent approach, the comet Crommelin passed the

In its most recent approach, the comet Crommelin passed the Earth at about the same distance and in about the same position, some 25 degrees above the horizon,that Halley’s comet will pass the next time it appears.

(A) that Halley’s comet will pass
(B) that Halley’s comet is to be passing
(C) as Halley’s comet
(D) as will Halley’s comet
(E) as Halley’s comet will do

plz expln rule/concept if possible.