Rearrange the following five sentences in the proper sequence to form a meaningful paragraph; then answer the questions give below.
(A) A serious conceptual problem often raised about universal disarmament is that even if you succeed in eliminating all nuclear weapons on earth, you cannot eliminate man's knowledge of the science behind it.
(B) The goal of nuclear disarmament provides another motivation for riding the world of fissile materials
(C) What is to prevent some groups from starting to produce these weapons all over again.
(D) That genie is out of the bottle for good
(E) Is nuclear weapon - free world a robust and stable concept?
Which of the following should be the FIRST sentence after rearrangement?