you have seen both fighters， will win?
A. Since；do you think who
B. As；who you think
C. When；whoever
D. Since；who do you think
网友回答
A. Since；do you think who
B. As；who you think
C. When；whoever
(答案→)D. Since；who do you think
解析：其中do you think是插入成分，其余部分是宾语从句，作think的宾语；由于引导词在从句中作主语，所以要用主格who(不用whom)。