问题
选择题
Is this the reason at the meeting for his carelessness in his work?
A．he explained
B．what he explained
C．how he explained
D．why he explained
答案
答案：A
考查定语从句。先行词是the reason，定语从句he explained修饰先行词reason,在he前面省略了that/which，that/which在句中做宾语，可以省略。句意：这就是在昨天会议上他解释工作中粗心的原因吗？