【单选题】 The improved quality of facial tissues resulted from ______.
A.mass-production methods
B.popular demand for a better product
C.a decrease in price
D.competition among manufacturers
网考网参考答案:D
网考网解析:
本题为细节辨认题。答案在第二段倒数第二句:越来越多的厂家生产纸巾,为了竞争,各厂家尽可能地生产出较其他厂家更优质的产品。
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