There is no doubt one day the medicine for AIDS will be made.A. thatB. whetherC. ifD. so

问题补充：

There is no doubt one day the medicine for AIDS will be made.

A. that

B. whether

C. if

D. so

答案：

(答案→)A. that

B. whether

C. if

D. so

解析：考查句型there is no doubt that …。毫无疑问总有一天治疗艾滋病的药会制出来。 选A