Even if the treatment ________，there’s still no magic pill for patients in the late stage of AIDS.
A．doesB．uses
C．worksD．helps
C
解析　考查動(dòng)詞辨析。句意為：盡管治療起作用了，但是對(duì)于晚期的艾滋病患者來(lái)說(shuō)還是沒(méi)有什么特效藥。work起作用，生效，符合句意。
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