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单选题
17.Timothy Ray Brown, the first man cured of HIV, initially opted against the stem cell transplantation that（ ）history.
A
A. could have later made
B
B. should have made later
C
C. might have later
D
D. would later make
答案解析
正确答案：D
解析：
主句的谓语用了一般过去时，而选项中都包含时间副词 later 后来，故判断此处应用过去将来时。could have done 过去本来能做某事却没有做，should have done 过去本应该做某事却没有做，might 表示可能性很小。句意：TRB 是首位被治愈的艾滋病人。最初， 他反对选用干细胞移植这种后来载入史册的疗法。
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