____will apologize?

A.who do you suppose ,do you suppose 是插入语

A.who do you suppose ,do you suppose 为插入语,可删去不看.

do you suppose 可以看是插入语，可以去掉
然后就简化句子了
WHo will apologize？谁将道歉
选A

A.who do you suppose
你觉得谁应该道歉？？

既然是插入语
那就是 you suppose嘛
把它放哪都行
选B吧

A do you suppose 是插入语