Polymer deterioration by swelling may be reduced by which of the following?
(A) Increasing degree of cross-linking, increasing molecular weight, and increasing degree of crystallinity
(B) Decreasing degree of cross-linking, decreasing molecular weight, and decreasing degree of crystallinity
(C) Increasing degree of cross-linking, increasing molecular weight, and decreasing degree of crystallinity
(D) Decreasing degree of cross-linking, increasing molecular weight, and increasing degree of crystallinity