by the time l reached home my brother --- to worka\ wentb\ has gonec\ had goned was gone为什么答案是c理由越详细越好,好的有赏
问题描述：
by the time l reached home my brother --- to work
a\ went
b\ has gone
c\ had gone
d was gone
为什么答案是c
理由越详细越好,好的有赏
答
这要看时间的关系，你到家时，看到了哥哥工作，说明哥哥在你到家之前就工作了，你到家是过去时，那哥哥工作在你之前，就是之前的之前，过去完成时
答
by the time表示时间点,时间点是I reached home,表示是过去的时间点.所以要用过去,排除b,因为by表示截止到时间点,用完成时,排除ad,选C