51. A company's two divisions performed withremarkable consistency over the past three years: in each of those years, the pharmaceuticalsdivision has accounted for roughly 20 percent of dollar sales and 40 percent ofprofits, and the chemicals division for the balance.(这半句话什么意思) Which of the following can properly be inferredregarding the past three years from the statement above? (A) Total dollar sales for each of the company'sdivisions have remained roughly constant. (B) The pharmaceuticals division has faced stiffercompetition in its markets than has the chemicals division. (C) The chemicals division has realized lowerprofits per dollar of sales than has the pharmaceuticals division. (D) The product mix offered by each of thecompany's divisions has remained unchanged. (E) Highly profitable products accounted for ahigher percentage of the chemicals division's sales than of those of thepharmaceuticals division.
这道题最后半句话没看懂,还请帮忙翻译一下~ 谢谢~~
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