The U. S. Centers for Disease Control suggested routine HIV tests for

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问题 The U. S. Centers for Disease Control suggested routine HIV tests for
  
The goal of rapid H1V testing in emergency rooms is to save lives and prevent the spread of HIV. (9) The U. S. Centers for Disease Control recommends routine H1V screening of patients admitted to hospital emergency rooms, unless the patient refuses or opts-out of the test. But, a study on the testing did not produce the results doctors expected.
    Stewart Thomas knows the importance of HIV testing. He was diagnosed with HIV, the virus that causes AIDS, 24 years ago. "If you have the opportunity to get tested for HIV, and there are so many different piaces that you can test for free, why wouldn’t someone want to find out more information about their health," he asks. That’s exactly why the Centers for Disease Control began recommending rapid HIV screening in emergency departments and other health care settings four years ago.
    Researchers at the Denver Health Medical Center set out to evaluate the effectiveness of this kind of testing. Dr. Jason Haukoos says the hope was to identify HIV-infected patients early in the disease. (10) Proponents of testing say identifying even a small number of people is worth the effort because early treatment saves lives and can prevent the spread of HIV.

选项 A、save money on treatment.
B、prevent the spread of the disease.
C、carry out other tests.
D、provide patients free evaluation.

答案B

解析
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