he got the highest marks in the exam.it was all___he has worked too hard.
问题描述：
he got the highest marks in the exam.it was all___he has worked too hard.
A,why
B,which
C,that
D,because
说明理由,
到底是什么？
答
D.真的.就是这个啊~翻译：他在考试中取得了高分,全部因为他以前学习很努力.（全因为他以前努力学习使得他在考试中取得了高分）.A：翻译不通.他在考试中取得了高分.这是为什么他努力学习的.（因果关系不恰当）B：whic...