It can be inferred from the news item that______.A．people must spend a lot to do the blood
专四
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It can be inferred from the news item that______.
A．people must spend a lot to do the blood test
B．people can do the blood test for free
C．people can afford to do the blood test
D．people can"t have an access to the blood test
请帮忙给出正确答案和分析，谢谢！
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正确答案：C
本题设题点在新闻导语处。根据句(7)可知，一项能够更好地诊断出肺癌的新型血液化验本周在美国面世。根据commerciallyavailable可知，这项化验的价格是人们能够承担得起的，故答案为[C]。