12. The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible -- better control, if not eradication, of the other infections such as measles and yaws.
A. what they had not previously considered possible -- better control, if not eradication, of the other infections such as B. what they had not previously considered a possibility -- better control, if not eradication, of such infections like C. something they had not previously considered possible -- better control, if not eradication, of such infections as D. something not considered a previous possibility -- better control and perhaps eradication, of other infections such as E. the possibility of what they had not previously considered possible -- better control and possibly eradication of infections like
A为什么不对啊?other infections指除smallpox以外的其他传染病啊。
[此贴子已经被作者于2007-4-9 15:59:39编辑过] |