The "KUVA" fabric, produced by American Synthetics, Inc., was once thought to be a miraculous invention because it was so strong and durable. However, industrial accidents over the past three years have proven that the material is highly flammable (i.e., it catches fire and burns easily). This discovery was very bad news for manufacturers who use the "KUVA" fabric in their products. The weaker fabrics they had been using before caused many of their products to fail; the "KUVA" fabric provided an excellent alternative. Now that they can't use the "KUVA" fabric anymore, manufacturers will have to eliminate all American Synthetics materials from their inventories.
Which of the following assumptions best justifies the author's conclusion?
A. Early tests showing that the "KUVA" fabric was safe now appear to have been incomplete.
B. There have been more industrial fires in plants that use the "KUVA" fabric than in those that don't.
C. The "KUVA" fabric is not as strong or durable as originally believed.
D. All materials made by American Synthetics contain some form of the "KUVA" fabric.
E. Manufacturers will probably be sued by people who have been injured in accidents caused by products containing the "KUVA" fabric.
