use of "thus"

[sarahfzq]

Ron, can help on the below one as well? a bit struggling with D and E. thx


Under high pressure and intense heat, graphite, the most stable form of pure carbon, changes into the substance commonly referred to as diamond and remaining this way whether or not the heat and pressure are removed.
(A) remaining this way whether or not
(B) remaining like that even as
(C) remaining as such whether or not
(D) remains in this way although
(E) remains thus even when

[RonPurewal]

* This is not a MGMAT problem. Please post it in the correct folder (general verbal or GMAT Prep, depending on which is the source).

* Before posting, please search the forum to see whether there are existing threads on this problem.
If there are, please read those threads, as your question(s) may be answered in them.
If not, please post your questions in the existing threads. Don't start a new thread.

* If you post, please give specifics of your thought process so far.
What do you already understand?
What, specifically, is/are the part(s) with which you have issues?

Thanks.