- Do you doubt she can run the race? Yes, I doubt she can run against Liu Xiang. A. tha

- Do you doubt she can run the race?
-- Yes, I doubt she can run against Liu Xiang.
A. that; whether
B. whether; that
C. that; that
D. whether; if

(答案→)A. that; whether B. whether; thatC. that; that D. whether; if解析：考查doubt的用法：doubt在疑问句和否定句和that连用，在肯定句和whether连用，所以第一空填that，第二空填whether，句意：--你怀疑她能参加赛跑吗？--是，我怀疑她是否能和刘翔比赛跑。选A。

正好我需要