问题
选择题
The data shows ________ successful people have in common is ________ they have perseverance.
A．that that; that
B．that what; that
C．what that; what
D．all that; because
答案
答案：B
考查名词性从句。shows 后是一个宾语从句，宾语从句中由what 引导的名词性从句作主语，is 后是由that 引导的表语从句。故选B 。