GMAT Sentence Correction (SC) | Re: New items developed for automobiles in the 1997 model year

I am finding it hard to eliminate E and choose D (the OA)

My view.:
The sentence means that the air bag eliminated something that its predecessors did not.
The bag eliminated the possibility of appearance of smoke when the bag would inflate.
Smoke appearance could terrify the passenger , more so because he would already be terrified of the inflated bag.

Between D&E
I chose E in mock. Reason was that inflation of bag would add to the terror the passenger is already experiencing.
In choice