【题目】— How is that, Blair?
— I wonder ______ it takes to be a good teacher beyond patience and a great knowledge of students.
A.how is it that
B.how it is that
C.what it is that
D.what is it that

【答案】C
【解析】句意：—Blair，怎么了。—我想知道想成为一名好的教师除了耐心和了解学生之外还需要什么？宾语从句需用陈述句语序，本题中what引导的宾语从句，what作is的表语。