单项选择题

According to the passage, what' s indicative of AIDS

A．Blood transfusion.
B．Blood test.
C．Abnormal white cell ratios.
D．Homosexuals.
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单项选择题
Which of the following statements is TRUE
A．Red Cross Blood Services' fiscal 1985 revenue places it number 473 among the Fortune 500.
B．Engleman ' s blood bank was the first-known blood bank in the nation to adopt a blood screening test.
C．Engleman' s blood bank found AIDS directly.
D．Eckerk is the only one who feels blood banks responds slowly to AIDS threat.
单项选择题
What's patients' response to blood screening
A．They are indifferent to it.
B．They are dissatisfied with it.
C．They oppose it.
D．They can accept the practice.
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