问题
选择题
Is this the reason _____ in the report for her success in the job ?
A．she explained
B．what she explained
C．how she explained
D．why she explained
答案
答案：A
考查定语从句。She explain是定语从句修饰the reason;she前面省略了that/which.句意：这就是在报告中她解释的工作成功的原因吗？