52. 2-Chloro-1, 3-butadiene is polymerized to yield an excellent, expensive synthetic rubber with good weather resistance called:
(A) Chloroprene
(B) Isoprene
(C) Polystyrene
(D) Neoprene
(E) none of the above

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統計： A(0), B(0), C(0), D(2), E(0) #2347828