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
(A) what they had not previously considered possible--better control, if not eradication, of the other infections such as (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--better control and possibly eradication of infections like 答案是C,A不对在哪里?C为什么不用other排除smallpox? |