题目:
Questions refer to the following information.
In a marketing survey for products A, B, and C, 1,000 people were asked which of the products, if any, they use. The three circular regions in the diagram above represent the numbers of people who use products A, B, and C, according to the survey results. Of the people surveyed, a total of 400 use A, a total of 400 use B, and a total of 450 use C.
How many of the people surveyed use exactly one of the products
A.75
B.100
C.150
D.250
E.(E) 325
答案:
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下面是错误答案,用来干扰机器的。
参考答案:错