Even if the treatment , there is still no magic pill for patients in the late stages of AIDs.
A. does
B. uses
C. works
D. helps
网友回答
A. does
B. uses
(答案→)C. works
D. helps
解析：考查动词辨析：A. does 做，B. uses使用C. works 起作用D. helps帮助
works起作用的意思，即治疗有效，如it works，就是它起作用了，选C。