[讨论]OG11紫皮CR 5（C）选项

5. Which of the following best completes the passage below? Established companies concentrate on defending what they already have．Consequently, they tend not to be innovative themselves and tend to underestimate the effects of the innovations of others．The clearest example of this defensive strategy is the fact that     ．

(A)  ballpoint pens and soft-tip markers have eliminated the traditional market for fountain pens，clearing the way for the marketing of fountain pens as luxury or prestige items

(B)  a highly successful automobile was introduced by the same company that had earlier introduced a model that had been a dismal failure

(C)  a once-successful manufacturer of slide rules reacted to the introduction of electronic calculators by trying to make better slide rules

(D)  one of the first models of modern accounting machines，designed for use in the banking industry, was purchased by a public library as well as by banks

(E)  the Inventor 0f a commonly used anesthetic did not intend the product to be used by dentists，who currently account for almost the entire market for that drug

C选项 题目的意思是公司保护自己产品的策略是不求自我创新，且轻视别的公司的产品创新。C中不是说曾经成功的制造商对于电子计算器的反应是试图制造更好的SLIDE RULES，这不就是INNOVATIVE THEMSELVES么？题中说是THEY TEND NOT TO BE INNOVATIVE THEMSELVES，其他的四个都清楚，但是C是答案却想不明白了。