They are discussing ____ interview for the reports in the STUDENTS'VOICE sectionA who to B which they will一定要有为什么
问题描述：
They are discussing ____ interview for the reports in the STUDENTS'VOICE section
A who to B which they will
一定要有为什么
答
选b.因为b选项是做discuss 的宾语,是一个完整的宾语从句,意思是他们正在讨论在学生之音板块中他们选谁来采访.who to 不是一个完整的句子结构.